diff --git a/tools/maskimg/Makefile b/tools/maskimg/Makefile
new file mode 100755
index 000000000..87f4c9665
--- /dev/null
+++ b/tools/maskimg/Makefile
@@ -0,0 +1,34 @@
+########################################################################
+# This is a GNU makefile - tested on CYGWIN and Linux
+#
+# You may need to compile or install libpng and/or zlib before
+# compiling this.
+#
+
+TARGET = maskimg
+# These flags are needed to get it to compile with libpngX.dll on CYGWIN
+CYGWINFLAGS = -DPNG_USE_DLL
+#CYGWINFLAGS =
+PNGFLAGS = -I. 
+
+CC = gcc
+CFLAGS = -W -Wall -O0 # -g
+LIBS = -L/usr/local/lib -lpng -lm
+LDFLAGS=
+
+BINS = $(TARGET) $(TARGET).exe
+SRCS = maskimg.c
+OBJS = maskimg.o
+
+.SUFFIXES: .c .o
+
+.c.o:
+	$(CC) -c $(CFLAGS) -o $@ $*.c $(PNGFLAGS) $(CYGWINFLAGS)
+
+all: $(TARGET)
+
+$(TARGET): $(OBJS)
+	$(CC) -o $(TARGET) $(OBJS) $(LIBS) $(LDFLAGS)
+
+clean:
+	rm -f $(BINS) *.o
diff --git a/tools/maskimg/config.h b/tools/maskimg/config.h
new file mode 100755
index 000000000..0a70fe8f0
--- /dev/null
+++ b/tools/maskimg/config.h
@@ -0,0 +1,15 @@
+/* Dummy compile-time configuration options
+ * Only used when compiling in MS VC++ using UQM's getopt.c
+ */
+
+#ifndef _CONFIG_H
+#define _CONFIG_H
+
+/* Define if words are stored with the most significant byte first */
+#undef WORDS_BIGENDIAN
+
+/* Defined if your system has getopt.h */
+#undef HAVE_GETOPT_H
+
+#endif /* _CONFIG_H */
+
diff --git a/tools/maskimg/fixplanets.sh b/tools/maskimg/fixplanets.sh
new file mode 100755
index 000000000..504588581
--- /dev/null
+++ b/tools/maskimg/fixplanets.sh
@@ -0,0 +1,46 @@
+#!/bin/sh
+
+if [ $# -ne 2 ]; then
+	echo "Syntax: fixplanets.sh <indir> <outdir>"
+	exit 1
+fi
+
+INDIR="$1"
+OUTDIR="$2"
+
+MASKIMG="$PWD/maskimg"
+
+if [ ! -d "$INDIR" ]; then
+	echo "\"${INDIR}\" is not a good source dir"
+	exit 1
+fi
+
+if [ ! -d "$OUTDIR" -o ! -w "$OUTDIR" ]; then
+	echo "\"${OUTDIR}\" is not a good destination"
+	exit 1
+fi
+
+INDIR="${INDIR%/}/"
+OUTDIR="${OUTDIR%/}/"
+
+processone() {
+	FILE="$1"
+	FILE="${FILE#${INDIR}}"
+	DIR="${FILE%/*}"
+	echo "Now processing $FILE"
+	if [ "$DIR" != "$FILE" -a ! -d "${OUTDIR}${DIR}" ]; then
+		mkdir -p -- "${OUTDIR}${DIR}"
+	fi
+	if [ "$DIR" = "$FILE" ]; then
+		DIR=""
+	fi
+	"$MASKIMG" -vv -01 -m "$2" -o "$OUTDIR$FILE" "$INDIR$FILE"
+}
+
+for FILE in `find "$INDIR" -type f -name "*__big.0.png"`; do
+	processone "$FILE" "mask_big.png"
+done
+
+for FILE in `find "$INDIR" -type f -name "*__sml.0.png"`; do
+	processone "$FILE" "mask_sml.png"
+done
diff --git a/tools/maskimg/mask_big.png b/tools/maskimg/mask_big.png
new file mode 100755
index 000000000..c512db104
Binary files /dev/null and b/tools/maskimg/mask_big.png differ
diff --git a/tools/maskimg/mask_sml.png b/tools/maskimg/mask_sml.png
new file mode 100755
index 000000000..ef42717b6
Binary files /dev/null and b/tools/maskimg/mask_sml.png differ
diff --git a/tools/maskimg/maskimg.c b/tools/maskimg/maskimg.c
new file mode 100755
index 000000000..02ef40394
--- /dev/null
+++ b/tools/maskimg/maskimg.c
@@ -0,0 +1,491 @@
+/*
+ * Truecolor image masking (transparency) tool
+ * By Alex Volkov (codepro@usa.net), 20050222
+ *
+ * The GPL applies
+ *
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <stdarg.h>
+#include <string.h>
+#include <errno.h>
+#include <malloc.h>
+#if defined(WIN32) && defined(_MSC_VER)
+#	include <getopt.h>
+#	include <direct.h>
+#	define inline __inline
+#else
+#	include <unistd.h>
+#endif
+#if defined(__GNUC__)
+#	include <alloca.h>
+#	define inline __inline__
+#endif 
+#include <png.h>
+
+#define countof(a)	   ( sizeof(a)/sizeof(*a) )
+#ifndef offsetof
+#	define offsetof(s,m)  ( (size_t)(&((s*)0)->m) )
+#endif
+
+struct options
+{
+	const char *infile;
+	const char *outfile;
+	char *maskfile;
+	int maskoff;
+	int maskon;
+	int verbose;
+};
+
+typedef struct
+{
+	png_structp png_ptr;
+	png_infop info_ptr;
+	png_infop end_info;
+
+	png_uint_32 w, h;
+	int bit_depth;
+	int color_type;
+	int interlace_type;
+	int compression_type;
+	int filter_type;
+
+	png_color_8p sig_bit;
+	png_color_16p trans_values;
+	png_color_16 trans_values_buf;
+	png_color_16 trans_scaled;
+	png_bytep trans;
+	int num_trans;
+	int trans_index;
+	int srgb_intent;
+
+	int channels;
+	int bpp;
+	png_bytep data;
+	png_bytep* lines;
+
+} image_t;
+
+int verbose_level = 0;
+void verbose(int level, const char* fmt, ...);
+void parse_arguments(int argc, char *argv[], struct options *opts);
+
+image_t* readImage(const char* filename);
+int writeImage(image_t *, const char* filename);
+void freeImage(image_t *);
+int getImageTransIndex(image_t *);
+void maskImage(image_t *, image_t* mask, int maskon, int maskoff);
+
+
+int main(int argc, char *argv[])
+{
+	struct options opts;
+	image_t* img;
+	image_t* mask;
+
+	parse_arguments(argc, argv, &opts);
+	verbose_level = opts.verbose;
+
+	img = readImage(opts.infile);
+	if (!img)
+		return EXIT_FAILURE;
+	if (img->color_type != PNG_COLOR_TYPE_RGB)
+	{
+		verbose(1, "Input image must be RGB, 8 bits per channel (or fix the code)\n");
+		freeImage(img);
+		return EXIT_FAILURE;
+	}
+	if (!img->trans_values)
+	{
+		verbose(2, "%s has no tRNS chunk, assuming transparent black (RBG 0,0,0)\n",
+				opts.infile);
+		img->trans_values = &img->trans_values_buf;
+	}
+	img->num_trans = 0;
+
+	mask = readImage(opts.maskfile);
+	if (!mask)
+	{
+		freeImage(img);
+		return EXIT_FAILURE;
+	}
+	if (mask->w < img->w || mask->h < img->h)
+	{
+		verbose(1, "Mask image dimensions are smaller than input image\n");
+		freeImage(img);
+		freeImage(mask);
+		return EXIT_FAILURE;
+	}
+	else if (mask->w != img->w || mask->h != img->h)
+		verbose(2, "Warning: input image and mask have different dimensions\n");
+
+	if (mask->color_type != PNG_COLOR_TYPE_GRAY && mask->color_type != PNG_COLOR_TYPE_PALETTE)
+	{
+		verbose(1, "Mask image must be grayscale or paletted (or fix the code)\n");
+		freeImage(img);
+		freeImage(mask);
+		return EXIT_FAILURE;
+	}
+	if (mask->trans)
+	{
+		mask->trans_index = getImageTransIndex(mask);
+		verbose(2, "Using mask image transparency info; trans index %d\n", mask->trans_index);
+	}
+	else
+	{
+		mask->trans_index = 0;
+		verbose(2, "Mask image has no transparency info; using index %d\n", mask->trans_index);
+	}
+
+	if (!opts.maskon && !opts.maskoff)
+	{
+		freeImage(img);
+		freeImage(mask);
+		verbose(1, "Nothing to do; specify -0 or -1\n");
+		return EXIT_SUCCESS;
+	}
+
+	maskImage(img, mask, opts.maskon, opts.maskoff);
+	writeImage(img, opts.outfile);
+
+	freeImage(img);
+	freeImage(mask);
+
+	return EXIT_SUCCESS;
+}
+
+void verbose(int level, const char* fmt, ...)
+{
+	va_list args;
+	
+	if (verbose_level < level)
+		return;
+	
+	va_start(args, fmt);
+	vfprintf(stderr, fmt, args);
+	va_end(args);
+}
+
+void usage()
+{
+	fprintf(stderr,
+			"maskimg [-0] [-1] [-o <outfile>] -m <maskfile> <infile>\n"
+			"Options:\n"
+			"\t-o  write resulting png into <outfile>\n"
+			"\t-m  specifies mask image to use (must be present)\n"
+			"\t-0  mask pixels off by setting them to transparent color\n"
+			"\t-1  mask pixels on by bumping red channel slightly\n"
+			"\t-v  increase verbosity level (use more than once)\n"
+			);
+}
+
+void parse_arguments(int argc, char *argv[], struct options *opts)
+{
+	char ch;
+	
+	memset(opts, 0, sizeof (struct options));
+
+	while (-1 != (ch = getopt(argc, argv, "h?o:m:01v")))
+	{
+		switch (ch)
+		{
+		case 'o':
+			opts->outfile = optarg;
+			break;
+		case 'm':
+			opts->maskfile = optarg;
+			break;
+		case '0':
+			opts->maskoff = 1;
+			break;
+		case '1':
+			opts->maskon = 1;
+			break;
+		case 'v':
+			opts->verbose++;
+			break;
+		case '?':
+		case 'h':
+		default:
+			usage();
+			exit(EXIT_FAILURE);
+		}
+	}
+	argc -= optind;
+	argv += optind;
+	if (argc != 1)
+	{
+		usage();
+		exit(EXIT_FAILURE);
+	}
+	opts->infile = argv[0];
+	if (!opts->outfile)
+		opts->outfile = opts->infile;
+
+	if (!opts->maskfile)
+	{
+		fprintf(stderr, "Not mask image specified, use -m\n");
+		usage();
+		exit(EXIT_FAILURE);
+	}
+}
+
+image_t* readImage(const char* filename)
+{
+	image_t* img;
+	uint8_t header[8];
+	size_t cbhead;
+	FILE* fp;
+
+	fp = fopen(filename, "rb");
+	if (!fp)
+	{
+		verbose(1, "Error: Could not open file %s: %s\n",
+				filename, strerror(errno));
+		return NULL;
+	}
+
+	cbhead = fread(header, 1, sizeof(header), fp);
+	if (png_sig_cmp(header, 0, cbhead))
+	{
+		verbose(1, "Input file is not a PNG image\n");
+		fclose(fp);
+		return NULL;
+	}
+
+	img = malloc(sizeof(*img));
+	if (!img)
+	{
+		verbose(1, "Out of memory reading image\n");
+		fclose(fp);
+		return NULL;
+	}
+	memset(img, 0, sizeof(*img));
+
+	img->png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
+	if (!img->png_ptr)
+	{
+		verbose(1, "png_create_read_struct failed\n");
+		fclose(fp);
+		return NULL;
+	}
+	img->info_ptr = png_create_info_struct(img->png_ptr);
+	if (!img->info_ptr)
+	{
+		verbose(1, "png_create_info_struct failed\n");
+		png_destroy_read_struct(&img->png_ptr, NULL, NULL);
+		fclose(fp);
+		return NULL;
+	}
+
+	img->end_info = png_create_info_struct(img->png_ptr);
+	if (!img->end_info)
+	{
+		verbose(1, "png_create_info_struct failed\n");
+		png_destroy_read_struct(&img->png_ptr, &img->info_ptr, NULL);
+		fclose(fp);
+		return NULL;
+	}
+
+	if (setjmp(png_jmpbuf(img->png_ptr)))
+	{
+		verbose(1, "PNG error\n");
+		png_destroy_read_struct(&img->png_ptr, &img->info_ptr, &img->end_info);
+		fclose(fp);
+		return NULL;
+	}
+
+	png_init_io(img->png_ptr, fp);
+	png_set_sig_bytes(img->png_ptr, cbhead);
+
+	png_read_info(img->png_ptr, img->info_ptr);
+
+	png_get_IHDR(img->png_ptr, img->info_ptr, &img->w, &img->h, &img->bit_depth,
+			&img->color_type, &img->interlace_type, &img->compression_type,
+			&img->filter_type);
+	png_get_tRNS(img->png_ptr, img->info_ptr, &img->trans, &img->num_trans, &img->trans_values);
+	if (img->trans_values)
+		img->trans_scaled = *img->trans_values;
+	png_get_sBIT(img->png_ptr, img->info_ptr, &img->sig_bit);
+	if (!png_get_sRGB(img->png_ptr, img->info_ptr, &img->srgb_intent))
+		img->srgb_intent = -1;
+	img->channels = png_get_channels(img->png_ptr, img->info_ptr);
+
+	if (img->bit_depth < 8)
+	{	// make sure we get 1 pixel per byte
+		png_set_packing(img->png_ptr);
+	}
+	else if (img->bit_depth == 16)
+	{	// or 1 byte per channel
+		png_set_strip_16(img->png_ptr);
+		img->bit_depth = 8;
+		if (img->sig_bit)
+		{
+			if (img->sig_bit->red > 8) img->sig_bit->red = 8;
+			if (img->sig_bit->green > 8) img->sig_bit->green = 8;
+			if (img->sig_bit->blue > 8) img->sig_bit->blue = 8;
+			if (img->sig_bit->alpha > 8) img->sig_bit->alpha = 8;
+			if (img->sig_bit->gray > 8) img->sig_bit->gray = 8;
+		}
+		img->trans_scaled.red >>= 8;
+		img->trans_scaled.green >>= 8;
+		img->trans_scaled.blue >>= 8;
+	}
+	else if (img->sig_bit)
+	{	// bit_depth == 8
+		png_set_shift(img->png_ptr, img->sig_bit);
+		img->trans_scaled.red >>= 8 - img->sig_bit->red;
+		img->trans_scaled.green >>= 8 - img->sig_bit->green;
+		img->trans_scaled.blue >>= 8 - img->sig_bit->blue;
+	}
+
+	img->bpp = img->channels;
+	img->data = malloc(img->bpp * img->w * img->h);
+	if (!img->data)
+	{
+		verbose(1, "Out of memory reading image\n");
+		png_destroy_read_struct(&img->png_ptr, &img->info_ptr, &img->end_info);
+		fclose(fp);
+		return NULL;
+	}
+	img->lines = malloc(img->h * sizeof(img->lines[0]));
+	if (!img->lines)
+	{
+		verbose(1, "Out of memory reading image\n");
+		png_destroy_read_struct(&img->png_ptr, &img->info_ptr, &img->end_info);
+		fclose(fp);
+		return NULL;
+	}
+	{	// init lines
+		png_uint_32 i;
+		for (i = 0; i < img->h; ++i)
+			img->lines[i] = img->data + img->w * img->bpp * i;
+	}
+	png_read_image(img->png_ptr, img->lines);
+	img->interlace_type = PNG_INTERLACE_NONE;
+
+	png_read_end(img->png_ptr, img->end_info);
+
+	fclose(fp);
+
+	return img;
+}
+
+void freeImage(image_t* img)
+{
+	if (!img)
+		return;
+
+	png_destroy_read_struct(&img->png_ptr, &img->info_ptr, &img->end_info);
+	if (img->lines)
+		free(img->lines);
+	if (img->data)
+		free(img->data);
+	free(img);
+}
+
+int writeImage(image_t* img, const char* filename)
+{
+	FILE *file;
+	png_structp png_ptr;
+	png_infop info_ptr;
+
+	png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
+	if (!png_ptr)
+	{
+		verbose(1, "png_create_write_struct failed.\n");
+		return EXIT_FAILURE;
+	}
+
+	info_ptr = png_create_info_struct(png_ptr);
+	if (!info_ptr)
+	{
+		png_destroy_write_struct(&png_ptr, (png_infopp) NULL);
+		verbose(1, "png_create_info_struct failed.\n");
+		return EXIT_FAILURE;
+	}
+	if (setjmp(png_jmpbuf(png_ptr)))
+	{
+		verbose(1, "png error.\n");
+		png_destroy_write_struct(&png_ptr, &info_ptr);
+		return EXIT_FAILURE;
+	}
+
+	file = fopen(filename, "wb");
+	if (!file)
+	{
+		verbose(1, "Could not open file '%s': %s\n",
+				filename, strerror(errno));
+		png_destroy_write_struct(&png_ptr, &info_ptr);
+		return EXIT_FAILURE;
+	}
+	png_init_io(png_ptr, file);
+	png_set_IHDR(png_ptr, info_ptr, img->w, img->h, img->bit_depth,
+			img->color_type, img->interlace_type, img->compression_type,
+			img->filter_type);
+	png_set_sBIT(png_ptr, info_ptr, img->sig_bit);
+	png_set_shift(png_ptr, img->sig_bit);
+	png_set_tRNS(png_ptr, info_ptr, NULL, 0, img->trans_values);
+	png_write_info(png_ptr, info_ptr);
+	png_set_packing(png_ptr);
+	png_write_image(png_ptr, (png_byte **) img->lines);
+	png_write_end(png_ptr, img->end_info);
+	png_destroy_write_struct(&png_ptr, &info_ptr);
+
+	fclose(file);
+
+	return EXIT_SUCCESS;
+}
+
+int getImageTransIndex(image_t* img)
+{
+	int i;
+
+	for (i = 0; i < img->num_trans && img->trans[i] != 0; ++i)
+		;
+	
+	return (i < img->num_trans) ? i : 0;
+}
+
+void maskImage(image_t* img, image_t* mask, int maskon, int maskoff)
+{
+	png_uint_32 x, y;
+	int img_pitch, mask_pitch;
+	png_bytep imgp, maskp;
+
+	img_pitch = img->w * img->bpp;
+	mask_pitch = mask->w * mask->bpp;
+
+	for (y = 0; y < img->h; ++y)
+	{
+		imgp = img->data + img_pitch * y;
+		maskp = mask->data + mask_pitch * y;
+
+		for (x = 0; x < img->w; ++x, imgp += img->bpp, maskp += mask->bpp)
+		{
+			if (maskoff && maskp[0] == mask->trans_index)
+			{	// set the pixel to transparent values
+				imgp[0] = (png_byte)img->trans_scaled.red;
+				imgp[1] = (png_byte)img->trans_scaled.green;
+				imgp[2] = (png_byte)img->trans_scaled.blue;
+			}
+			if (maskon && maskp[0] != mask->trans_index
+					&& imgp[0] == img->trans_scaled.red
+					&& imgp[1] == img->trans_scaled.green
+					&& imgp[2] == img->trans_scaled.blue
+				)
+			{	// mask the pixel on by bumping the red channel away from transparent value
+				if (imgp[0] == 0xff)
+					--imgp[0];
+				else
+					++imgp[0];
+			}
+		}
+	}
+}
diff --git a/tools/maskimg/maskimg.dsp b/tools/maskimg/maskimg.dsp
new file mode 100755
index 000000000..c6199701e
--- /dev/null
+++ b/tools/maskimg/maskimg.dsp
@@ -0,0 +1,114 @@
+# Microsoft Developer Studio Project File - Name="maskimg" - Package Owner=<4>
+# Microsoft Developer Studio Generated Build File, Format Version 6.00
+# ** DO NOT EDIT **
+
+# TARGTYPE "Win32 (x86) Console Application" 0x0103
+
+CFG=maskimg - Win32 Debug
+!MESSAGE This is not a valid makefile. To build this project using NMAKE,
+!MESSAGE use the Export Makefile command and run
+!MESSAGE 
+!MESSAGE NMAKE /f "maskimg.mak".
+!MESSAGE 
+!MESSAGE You can specify a configuration when running NMAKE
+!MESSAGE by defining the macro CFG on the command line. For example:
+!MESSAGE 
+!MESSAGE NMAKE /f "maskimg.mak" CFG="maskimg - Win32 Debug"
+!MESSAGE 
+!MESSAGE Possible choices for configuration are:
+!MESSAGE 
+!MESSAGE "maskimg - Win32 Release" (based on "Win32 (x86) Console Application")
+!MESSAGE "maskimg - Win32 Debug" (based on "Win32 (x86) Console Application")
+!MESSAGE 
+
+# Begin Project
+# PROP AllowPerConfigDependencies 0
+# PROP Scc_ProjName ""
+# PROP Scc_LocalPath ""
+CPP=xicl6.exe
+RSC=rc.exe
+
+!IF  "$(CFG)" == "maskimg - Win32 Release"
+
+# PROP BASE Use_MFC 0
+# PROP BASE Use_Debug_Libraries 0
+# PROP BASE Output_Dir "Release"
+# PROP BASE Intermediate_Dir "Release"
+# PROP BASE Target_Dir ""
+# PROP Use_MFC 0
+# PROP Use_Debug_Libraries 0
+# PROP Output_Dir "Release"
+# PROP Intermediate_Dir "Release"
+# PROP Ignore_Export_Lib 0
+# PROP Target_Dir ""
+# ADD BASE CPP /nologo /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c
+# ADD CPP /nologo /MD /W3 /GX /O2 /I "..\..\src\getopt" /I "." /D "NDEBUG" /D "WIN32" /D "_CONSOLE" /D "_MBCS" /D "PNG_USE_DLL" /YX /FD /c
+# ADD BASE RSC /l 0x409 /d "NDEBUG"
+# ADD RSC /l 0x409 /d "NDEBUG"
+BSC32=bscmake.exe
+# ADD BASE BSC32 /nologo
+# ADD BSC32 /nologo
+LINK32=xilink6.exe
+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /machine:I386
+# ADD LINK32 kernel32.lib user32.lib advapi32.lib shell32.lib libpng10.lib /nologo /subsystem:console /machine:I386
+
+!ELSEIF  "$(CFG)" == "maskimg - Win32 Debug"
+
+# PROP BASE Use_MFC 0
+# PROP BASE Use_Debug_Libraries 1
+# PROP BASE Output_Dir "Debug"
+# PROP BASE Intermediate_Dir "Debug"
+# PROP BASE Target_Dir ""
+# PROP Use_MFC 0
+# PROP Use_Debug_Libraries 1
+# PROP Output_Dir "Debug"
+# PROP Intermediate_Dir "Debug"
+# PROP Ignore_Export_Lib 0
+# PROP Target_Dir ""
+# ADD BASE CPP /nologo /W3 /Gm /GX /ZI /Od /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c
+# ADD CPP /nologo /MD /W3 /Gm /GX /ZI /Od /I "..\..\src\getopt" /I "." /D "_DEBUG" /D "WIN32" /D "_CONSOLE" /D "_MBCS" /D "PNG_USE_DLL" /YX /FD /GZ /c
+# ADD BASE RSC /l 0x409 /d "_DEBUG"
+# ADD RSC /l 0x409 /d "_DEBUG"
+BSC32=bscmake.exe
+# ADD BASE BSC32 /nologo
+# ADD BSC32 /nologo
+LINK32=xilink6.exe
+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept
+# ADD LINK32 kernel32.lib user32.lib advapi32.lib shell32.lib libpng10.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept
+
+!ENDIF 
+
+# Begin Target
+
+# Name "maskimg - Win32 Release"
+# Name "maskimg - Win32 Debug"
+# Begin Group "Source Files"
+
+# PROP Default_Filter "cpp;c;cxx;rc;def;r;odl;idl;hpj;bat"
+# Begin Source File
+
+SOURCE=.\config.h
+# End Source File
+# Begin Source File
+
+SOURCE=..\..\src\getopt\getopt.c
+# End Source File
+# Begin Source File
+
+SOURCE=..\..\src\getopt\getopt.h
+# End Source File
+# Begin Source File
+
+SOURCE=.\lzhuf.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\lzhuf.h
+# End Source File
+# Begin Source File
+
+SOURCE=.\maskimg.c
+# End Source File
+# End Group
+# End Target
+# End Project
diff --git a/tools/maskimg/maskimg.dsw b/tools/maskimg/maskimg.dsw
new file mode 100755
index 000000000..27d94875a
--- /dev/null
+++ b/tools/maskimg/maskimg.dsw
@@ -0,0 +1,29 @@
+Microsoft Developer Studio Workspace File, Format Version 6.00
+# WARNING: DO NOT EDIT OR DELETE THIS WORKSPACE FILE!
+
+###############################################################################
+
+Project: "maskimg"=.\maskimg.dsp - Package Owner=<4>
+
+Package=<5>
+{{{
+}}}
+
+Package=<4>
+{{{
+}}}
+
+###############################################################################
+
+Global:
+
+Package=<5>
+{{{
+}}}
+
+Package=<3>
+{{{
+}}}
+
+###############################################################################
+