diff --git a/Makefile.gc b/Makefile.gc
index d031e36..483697d 100644
--- a/Makefile.gc
+++ b/Makefile.gc
@@ -26,21 +26,15 @@ INCLUDES 	:=  include src/platform/wii
 # options for code generation
 #---------------------------------------------------------------------------------
 
-CFLAGS  = 	-g -O3 -Wall $(MACHDEP) $(INCLUDE) \
-	  		-DNGC -DNO_SOUND -DUSE_VM -DWORDS_BIGENDIAN \
-	  		-DC_CORE -D__ppc__ -D__POWERPC__ -DFINAL_VERSION \
-	  		-DSDL -DNO_PNG -DHAVE_ZUTIL_H \
-	  		-D_SZ_ONE_DIRECTORY -D_LZMA_IN_CB -D_LZMA_OUT_READ \
-	  		-fomit-frame-pointer -fexceptions \
-			-Wno-unused-parameter -Wno-strict-aliasing
+CFLAGS  = 	-g -O2 -Wall $(MACHDEP) $(INCLUDE) \
+			-DWORDS_BIGENDIAN
 CXXFLAGS	= $(CFLAGS)
 LDFLAGS		= -g $(MACHDEP) -Wl,-Map,$(notdir $@).map
 
 #---------------------------------------------------------------------------------
 # any extra libraries we wish to link with
 #---------------------------------------------------------------------------------
-LIBS	:=	-lSDL_mixer -ljpeg -lpng -lz -lSDL -lfreetype \
-			-lpngu -lmxml -lmetaphrasis -lfat -lz -logc
+LIBS	:=	-lSDL -lfat -logc
 
 #---------------------------------------------------------------------------------
 # list of directories containing libraries, this must be the top level containing
@@ -69,9 +63,6 @@ CFILES		:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.c)))
 CPPFILES	:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.cpp)))
 sFILES		:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.s)))
 SFILES		:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.S)))
-TTFFILES	:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.ttf)))
-PNGFILES	:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.png)))
-PCMFILES	:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.pcm)))
 
 #---------------------------------------------------------------------------------
 # use CXX for linking C++ projects, CC for standard C
@@ -83,9 +74,7 @@ else
 endif
 
 export OFILES	:=	$(addsuffix .o,$(BINFILES)) \
-					$(CPPFILES:.cpp=.o) $(CFILES:.c=.o) \
-					$(TTFFILES:.ttf=.ttf.o) $(PNGFILES:.png=.png.o) \
-					$(PCMFILES:.pcm=.pcm.o)
+					$(CPPFILES:.cpp=.o) $(CFILES:.c=.o)
 
 #---------------------------------------------------------------------------------
 # build a list of include paths
@@ -93,7 +82,7 @@ export OFILES	:=	$(addsuffix .o,$(BINFILES)) \
 export INCLUDE	:=	$(foreach dir,$(INCLUDES),-I$(CURDIR)/$(dir)) \
 					$(foreach dir,$(LIBDIRS),-I$(dir)/include) \
 					-I$(CURDIR)/$(BUILD) \
-					-I$(LIBOGC_INC)
+					-I$(LIBOGC_INC) -I$(LIBOGC_INC)/SDL
 
 #---------------------------------------------------------------------------------
 # build a list of library paths
@@ -123,7 +112,6 @@ run:
 reload:
 	psoload -r $(OUTPUT).dol
 
-
 #---------------------------------------------------------------------------------
 else
 
@@ -135,23 +123,6 @@ DEPENDS	:=	$(OFILES:.o=.d)
 $(OUTPUT).dol: $(OUTPUT).elf
 $(OUTPUT).elf: $(OFILES)
 
-#---------------------------------------------------------------------------------
-# This rule links in binary data with .ttf and .png extensions
-#---------------------------------------------------------------------------------
-%.ttf.o : %.ttf
-	@echo $(notdir $<)
-	$(bin2o)
-
-%.png.o : %.png
-	@echo $(notdir $<)
-	$(bin2o)
-
-%.pcm.o : %.pcm
-	@echo $(notdir $<)
-	$(bin2o)
-	
--include $(DEPENDS)
-
 #---------------------------------------------------------------------------------
 endif
 #---------------------------------------------------------------------------------
diff --git a/Makefile.wii b/Makefile.wii
index cee168a..299dc02 100644
--- a/Makefile.wii
+++ b/Makefile.wii
@@ -26,13 +26,8 @@ INCLUDES 	:=  include src/platform/wii
 # options for code generation
 #---------------------------------------------------------------------------------
 
-CFLAGS  = 	-g -O3 -Wall $(MACHDEP) $(INCLUDE) \
-	  		-DNGC -DWORDS_BIGENDIAN \
-	  		-DC_CORE -D__ppc__ -D__POWERPC__ -DFINAL_VERSION \
-	  		-DSDL -DNO_PNG -DHAVE_ZUTIL_H \
-	  		-D_SZ_ONE_DIRECTORY -D_LZMA_IN_CB -D_LZMA_OUT_READ \
-	  		-fomit-frame-pointer -fexceptions \
-			-Wno-unused-parameter -Wno-strict-aliasing
+CFLAGS  = 	-g -O2 -Wall $(MACHDEP) $(INCLUDE) \
+			-DWORDS_BIGENDIAN
 CXXFLAGS	= $(CFLAGS)
 LDFLAGS		= -g $(MACHDEP) -Wl,-Map,$(notdir $@).map -Wl,--cref
 
@@ -68,10 +63,6 @@ CFILES		:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.c)))
 CPPFILES	:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.cpp)))
 sFILES		:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.s)))
 SFILES		:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.S)))
-TTFFILES	:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.ttf)))
-PNGFILES	:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.png)))
-OGGFILES	:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.ogg)))
-PCMFILES	:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.pcm)))
 
 #---------------------------------------------------------------------------------
 # use CXX for linking C++ projects, CC for standard C
@@ -83,9 +74,7 @@ else
 endif
 
 export OFILES	:=	$(addsuffix .o,$(BINFILES)) \
-					$(CPPFILES:.cpp=.o) $(CFILES:.c=.o) \
-					$(TTFFILES:.ttf=.ttf.o) $(PNGFILES:.png=.png.o) \
-					$(OGGFILES:.ogg=.ogg.o) $(PCMFILES:.pcm=.pcm.o)
+					$(CPPFILES:.cpp=.o) $(CFILES:.c=.o)
 
 #---------------------------------------------------------------------------------
 # build a list of include paths
@@ -93,7 +82,7 @@ export OFILES	:=	$(addsuffix .o,$(BINFILES)) \
 export INCLUDE	:=	$(foreach dir,$(INCLUDES),-I$(CURDIR)/$(dir)) \
 					$(foreach dir,$(LIBDIRS),-I$(dir)/include) \
 					-I$(CURDIR)/$(BUILD) \
-					-I$(LIBOGC_INC)
+					-I$(LIBOGC_INC) -I$(LIBOGC_INC)/SDL
 
 #---------------------------------------------------------------------------------
 # build a list of library paths
@@ -123,7 +112,6 @@ run:
 reload:
 	wiiload -r $(OUTPUT).dol
 
-
 #---------------------------------------------------------------------------------
 else
 
@@ -135,25 +123,6 @@ DEPENDS	:=	$(OFILES:.o=.d)
 $(OUTPUT).dol: $(OUTPUT).elf
 $(OUTPUT).elf: $(OFILES)
 
-#---------------------------------------------------------------------------------
-# This rule links in binary data with .ttf and .png extensions
-#---------------------------------------------------------------------------------
-%.ttf.o : %.ttf
-	@echo $(notdir $<)
-	$(bin2o)
-
-%.png.o : %.png
-	@echo $(notdir $<)
-	$(bin2o)
-	
-%.ogg.o : %.ogg
-	@echo $(notdir $<)
-	$(bin2o)
-	
-%.pcm.o : %.pcm
-	@echo $(notdir $<)
-	$(bin2o)
-
 -include $(DEPENDS)
 
 #---------------------------------------------------------------------------------
diff --git a/src/gui/render_scalers.cpp b/src/gui/render_scalers.cpp
index 78880d0..4bd312f 100644
--- a/src/gui/render_scalers.cpp
+++ b/src/gui/render_scalers.cpp
@@ -173,7 +173,7 @@ ScalerLineBlock_t ScalerCache = {
 
 ScalerSimpleBlock_t ScaleNormal1x = {
 	"Normal",
-	GFX_CAN_8|GFX_CAN_15|GFX_CAN_16|GFX_CAN_32,
+	GFX_CAN_16,
 	1,1,{
 {	Normal1x_8_8_L,		Normal1x_8_15_L ,	Normal1x_8_16_L ,	Normal1x_8_32_L },
 {	             0,		Normal1x_15_15_L,	Normal1x_15_16_L,	Normal1x_15_32_L},
@@ -190,7 +190,7 @@ ScalerSimpleBlock_t ScaleNormal1x = {
 
 ScalerSimpleBlock_t ScaleNormalDw = {
 	"Normal",
-	GFX_CAN_8|GFX_CAN_15|GFX_CAN_16|GFX_CAN_32,
+	GFX_CAN_16,
 	2,1,{
 {	NormalDw_8_8_L,		NormalDw_8_15_L ,	NormalDw_8_16_L ,	NormalDw_8_32_L },
 {	             0,		NormalDw_15_15_L,	NormalDw_15_16_L,	NormalDw_15_32_L},
@@ -207,7 +207,7 @@ ScalerSimpleBlock_t ScaleNormalDw = {
 
 ScalerSimpleBlock_t ScaleNormalDh = {
 	"Normal",
-	GFX_CAN_8|GFX_CAN_15|GFX_CAN_16|GFX_CAN_32,
+	GFX_CAN_16,
 	1,2,{
 {	NormalDh_8_8_L,		NormalDh_8_15_L ,	NormalDh_8_16_L ,	NormalDh_8_32_L },
 {	             0,		NormalDh_15_15_L,	NormalDh_15_16_L,	NormalDh_15_32_L},
@@ -224,7 +224,7 @@ ScalerSimpleBlock_t ScaleNormalDh = {
 
 ScalerSimpleBlock_t ScaleNormal2x = {
 	"Normal2x",
-	GFX_CAN_8|GFX_CAN_15|GFX_CAN_16|GFX_CAN_32,
+	GFX_CAN_16,
 	2,2,{
 {	Normal2x_8_8_L,		Normal2x_8_15_L,	Normal2x_8_16_L,	Normal2x_8_32_L },
 {	             0,		Normal2x_15_15_L,	Normal2x_15_16_L,	Normal2x_15_32_L},
@@ -241,7 +241,7 @@ ScalerSimpleBlock_t ScaleNormal2x = {
 
 ScalerSimpleBlock_t ScaleNormal3x = {
 	"Normal3x",
-	GFX_CAN_8|GFX_CAN_15|GFX_CAN_16|GFX_CAN_32,
+	GFX_CAN_16,
 	3,3,{
 {	Normal3x_8_8_L,		Normal3x_8_15_L ,	Normal3x_8_16_L ,	Normal3x_8_32_L },
 {	             0,		Normal3x_15_15_L,	Normal3x_15_16_L,	Normal3x_15_32_L},
@@ -259,7 +259,7 @@ ScalerSimpleBlock_t ScaleNormal3x = {
 #if RENDER_USE_ADVANCED_SCALERS>0
 ScalerSimpleBlock_t ScaleTV2x = {
 	"TV2x",
-	GFX_CAN_15|GFX_CAN_16|GFX_CAN_32|GFX_RGBONLY,
+	GFX_CAN_16,
 	2,2,{
 {	0,		TV2x_8_15_L ,	TV2x_8_16_L ,	TV2x_8_32_L },
 {	0,		TV2x_15_15_L,	TV2x_15_16_L,	TV2x_15_32_L},
@@ -276,7 +276,7 @@ ScalerSimpleBlock_t ScaleTV2x = {
 
 ScalerSimpleBlock_t ScaleTV3x = {
 	"TV3x",
-	GFX_CAN_15|GFX_CAN_16|GFX_CAN_32|GFX_RGBONLY,
+	GFX_CAN_16,
 	3,3,{
 {	0,		TV3x_8_15_L ,	TV3x_8_16_L ,	TV3x_8_32_L },
 {	0,		TV3x_15_15_L,	TV3x_15_16_L,	TV3x_15_32_L},
@@ -293,7 +293,7 @@ ScalerSimpleBlock_t ScaleTV3x = {
 
 ScalerSimpleBlock_t ScaleScan2x = {
 	"Scan2x",
-	GFX_CAN_15|GFX_CAN_16|GFX_CAN_32|GFX_RGBONLY,
+	GFX_CAN_16,
 	2,2,{
 {	0,		Scan2x_8_15_L ,	Scan2x_8_16_L ,	Scan2x_8_32_L },
 {	0,		Scan2x_15_15_L,	Scan2x_15_16_L,	Scan2x_15_32_L},
@@ -310,7 +310,7 @@ ScalerSimpleBlock_t ScaleScan2x = {
 
 ScalerSimpleBlock_t ScaleScan3x = {
 	"Scan3x",
-	GFX_CAN_15|GFX_CAN_16|GFX_CAN_32|GFX_RGBONLY,
+	GFX_CAN_16,
 	3,3,{
 {	0,		Scan3x_8_15_L ,	Scan3x_8_16_L ,	Scan3x_8_32_L },
 {	0,		Scan3x_15_15_L,	Scan3x_15_16_L,	Scan3x_15_32_L},
@@ -327,7 +327,7 @@ ScalerSimpleBlock_t ScaleScan3x = {
 
 ScalerSimpleBlock_t ScaleRGB2x = {
 	"RGB2x",
-	GFX_CAN_15|GFX_CAN_16|GFX_CAN_32|GFX_RGBONLY,
+	GFX_CAN_16,
 	2,2,{
 {	0,		RGB2x_8_15_L ,	RGB2x_8_16_L ,	RGB2x_8_32_L },
 {	0,		RGB2x_15_15_L,	RGB2x_15_16_L,	RGB2x_15_32_L},
@@ -344,7 +344,7 @@ ScalerSimpleBlock_t ScaleRGB2x = {
 
 ScalerSimpleBlock_t ScaleRGB3x = {
 	"RGB3x",
-	GFX_CAN_15|GFX_CAN_16|GFX_CAN_32|GFX_RGBONLY,
+	GFX_CAN_16,
 	3,3,{
 {	0,		RGB3x_8_15_L ,	RGB3x_8_16_L ,	RGB3x_8_32_L },
 {	0,		RGB3x_15_15_L,	RGB3x_15_16_L,	RGB3x_15_32_L},
@@ -366,7 +366,7 @@ ScalerSimpleBlock_t ScaleRGB3x = {
 #if RENDER_USE_ADVANCED_SCALERS>2
 ScalerComplexBlock_t ScaleAdvMame2x ={
 	"AdvMame2x",
-	GFX_CAN_8|GFX_CAN_15|GFX_CAN_16|GFX_CAN_32,
+	GFX_CAN_16,
 	2,2,
 {	AdvMame2x_8_L,AdvMame2x_16_L,AdvMame2x_16_L,AdvMame2x_32_L},
 {	AdvMame2x_8_R,AdvMame2x_16_R,AdvMame2x_16_R,AdvMame2x_32_R}
@@ -374,7 +374,7 @@ ScalerComplexBlock_t ScaleAdvMame2x ={
 
 ScalerComplexBlock_t ScaleAdvMame3x = {
 	"AdvMame3x",
-	GFX_CAN_8|GFX_CAN_15|GFX_CAN_16|GFX_CAN_32,
+	GFX_CAN_16,
 	3,3,
 {	AdvMame3x_8_L,AdvMame3x_16_L,AdvMame3x_16_L,AdvMame3x_32_L},
 {	AdvMame3x_8_R,AdvMame3x_16_R,AdvMame3x_16_R,AdvMame3x_32_R}
@@ -383,7 +383,7 @@ ScalerComplexBlock_t ScaleAdvMame3x = {
 /* These need specific 15bpp versions */
 ScalerComplexBlock_t ScaleHQ2x ={
 	"HQ2x",
-	GFX_CAN_15|GFX_CAN_16|GFX_CAN_32|GFX_RGBONLY,
+	GFX_CAN_16,
 	2,2,
 {	0,HQ2x_16_L,HQ2x_16_L,HQ2x_32_L},
 {	0,HQ2x_16_R,HQ2x_16_R,HQ2x_32_R}
@@ -391,7 +391,7 @@ ScalerComplexBlock_t ScaleHQ2x ={
 
 ScalerComplexBlock_t ScaleHQ3x ={
 	"HQ3x",
-	GFX_CAN_15|GFX_CAN_16|GFX_CAN_32|GFX_RGBONLY,
+	GFX_CAN_16,
 	3,3,
 {	0,HQ3x_16_L,HQ3x_16_L,HQ3x_32_L},
 {	0,HQ3x_16_R,HQ3x_16_R,HQ3x_32_R}
@@ -399,7 +399,7 @@ ScalerComplexBlock_t ScaleHQ3x ={
 
 ScalerComplexBlock_t ScaleSuper2xSaI ={
 	"Super2xSaI",
-	GFX_CAN_15|GFX_CAN_16|GFX_CAN_32|GFX_RGBONLY,
+	GFX_CAN_16,
 	2,2,
 {	0,Super2xSaI_16_L,Super2xSaI_16_L,Super2xSaI_32_L},
 {	0,Super2xSaI_16_R,Super2xSaI_16_R,Super2xSaI_32_R}
@@ -407,7 +407,7 @@ ScalerComplexBlock_t ScaleSuper2xSaI ={
 
 ScalerComplexBlock_t Scale2xSaI ={
 	"2xSaI",
-	GFX_CAN_15|GFX_CAN_16|GFX_CAN_32|GFX_RGBONLY,
+	GFX_CAN_16,
 	2,2,
 {	0,_2xSaI_16_L,_2xSaI_16_L,_2xSaI_32_L},
 {	0,_2xSaI_16_R,_2xSaI_16_R,_2xSaI_32_R}
@@ -415,7 +415,7 @@ ScalerComplexBlock_t Scale2xSaI ={
 
 ScalerComplexBlock_t ScaleSuperEagle ={
 	"SuperEagle",
-	GFX_CAN_15|GFX_CAN_16|GFX_CAN_32|GFX_RGBONLY,
+	GFX_CAN_16,
 	2,2,
 {	0,SuperEagle_16_L,SuperEagle_16_L,SuperEagle_32_L},
 {	0,SuperEagle_16_R,SuperEagle_16_R,SuperEagle_32_R}
@@ -423,7 +423,7 @@ ScalerComplexBlock_t ScaleSuperEagle ={
 
 ScalerComplexBlock_t ScaleAdvInterp2x = {
 	"AdvInterp2x",
-	GFX_CAN_15|GFX_CAN_16|GFX_CAN_32|GFX_RGBONLY,
+	GFX_CAN_16,
 	2,2,
 {	0,AdvInterp2x_15_L,AdvInterp2x_16_L,AdvInterp2x_32_L},
 {	0,AdvInterp2x_15_R,AdvInterp2x_16_R,AdvInterp2x_32_R}
@@ -431,7 +431,7 @@ ScalerComplexBlock_t ScaleAdvInterp2x = {
 
 ScalerComplexBlock_t ScaleAdvInterp3x = {
 	"AdvInterp3x",
-	GFX_CAN_15|GFX_CAN_16|GFX_CAN_32|GFX_RGBONLY,
+	GFX_CAN_16,
 	3,3,
 {	0,AdvInterp3x_15_L,AdvInterp3x_16_L,AdvInterp3x_32_L},
 {	0,AdvInterp3x_15_R,AdvInterp3x_16_R,AdvInterp3x_32_R}
diff --git a/src/gui/sdl_gui.cpp b/src/gui/sdl_gui.cpp
index bc8ea97..46cd7c3 100644
--- a/src/gui/sdl_gui.cpp
+++ b/src/gui/sdl_gui.cpp
@@ -111,7 +111,7 @@ static GUI::ScreenSDL *UI_Startup(GUI::ScreenSDL *screen) {
 
 	old_unicode = SDL_EnableUNICODE(1);
 	SDL_EnableKeyRepeat(SDL_DEFAULT_REPEAT_DELAY,SDL_DEFAULT_REPEAT_INTERVAL);
-	screenshot = SDL_CreateRGBSurface(SDL_SWSURFACE, w, h, 32, GUI::Color::RedMask, GUI::Color::GreenMask, GUI::Color::BlueMask, 0);
+	screenshot = SDL_CreateRGBSurface(SDL_SWSURFACE, w, h, 16, GUI::Color::RedMask, GUI::Color::GreenMask, GUI::Color::BlueMask, 0);
 
 	// create screenshot for fade effect
 	int rs = screenshot->format->Rshift, gs = screenshot->format->Gshift, bs = screenshot->format->Bshift, am = GUI::Color::AlphaMask;
@@ -124,7 +124,7 @@ static GUI::ScreenSDL *UI_Startup(GUI::ScreenSDL *screen) {
 		}
 	}
 
-	background = SDL_CreateRGBSurface(SDL_SWSURFACE, w, h, 32, GUI::Color::RedMask, GUI::Color::GreenMask, GUI::Color::BlueMask, GUI::Color::AlphaMask);
+	background = SDL_CreateRGBSurface(SDL_SWSURFACE, w, h, 16, GUI::Color::RedMask, GUI::Color::GreenMask, GUI::Color::BlueMask, GUI::Color::AlphaMask);
 	// use a blurred and sepia-toned screenshot as menu background
 	for (int y = 0; y < h; y++) {
 		Bit32u *bg = (Bit32u*)(y*background->pitch + (char*)background->pixels);
@@ -151,7 +151,7 @@ static GUI::ScreenSDL *UI_Startup(GUI::ScreenSDL *screen) {
 	mousetoggle = mouselocked;
 	if (mouselocked) GFX_CaptureMouse();
 
-	SDL_Surface* sdlscreen = SDL_SetVideoMode(w, h, 32, SDL_SWSURFACE|(fs?SDL_FULLSCREEN:0));
+	SDL_Surface* sdlscreen = SDL_SetVideoMode(w, h, 16, SDL_SWSURFACE|(fs?SDL_FULLSCREEN:0));
 	if (sdlscreen == NULL) E_Exit("Could not initialize video mode %ix%ix32 for UI: %s", w, h, SDL_GetError());
 
 	// fade out
diff --git a/src/gui/sdl_mapper.cpp b/src/gui/sdl_mapper.cpp
index bd83118..3e223c9 100644
--- a/src/gui/sdl_mapper.cpp
+++ b/src/gui/sdl_mapper.cpp
@@ -2283,7 +2283,7 @@ void MAPPER_Run(bool pressed) {
 
 	/* Be sure that there is no update in progress */
 	GFX_EndUpdate( 0 );
-	mapper.surface=SDL_SetVideoMode(640,480,8,0);
+	mapper.surface=SDL_SetVideoMode(640,480,16,0);
 	if (mapper.surface == NULL) E_Exit("Could not initialize video mode for mapper: %s",SDL_GetError());
 
 	/* Set some palette entries */
diff --git a/src/gui/sdlmain.cpp b/src/gui/sdlmain.cpp
index e93877e..25cc29f 100644
--- a/src/gui/sdlmain.cpp
+++ b/src/gui/sdlmain.cpp
@@ -980,9 +980,9 @@ static void GUI_StartUp(Section * sec) {
 	/* Set Icon (must be done before any sdl_setvideomode call) */
 	/* But don't set it on OS X, as we use a nicer external icon there. */
 #if WORDS_BIGENDIAN
-	SDL_Surface* logos= SDL_CreateRGBSurfaceFrom((void*)logo,32,32,32,128,0xff000000,0x00ff0000,0x0000ff00,0);
+	SDL_Surface* logos= SDL_CreateRGBSurfaceFrom((void*)logo,32,32,16,128,0xff000000,0x00ff0000,0x0000ff00,0);
 #else
-	SDL_Surface* logos= SDL_CreateRGBSurfaceFrom((void*)logo,32,32,32,128,0x000000ff,0x0000ff00,0x00ff0000,0);
+	SDL_Surface* logos= SDL_CreateRGBSurfaceFrom((void*)logo,32,32,16,128,0x000000ff,0x0000ff00,0x00ff0000,0);
 #endif
 	SDL_WM_SetIcon(logos,NULL);
 #endif
diff --git a/src/libs/gui_tk/gui_tk.cpp b/src/libs/gui_tk/gui_tk.cpp
index 2a75074..565a041 100644
--- a/src/libs/gui_tk/gui_tk.cpp
+++ b/src/libs/gui_tk/gui_tk.cpp
@@ -1566,7 +1566,7 @@ int main(int argc, char *argv[])
 
 	atexit(SDL_Quit);
 
-	screen = SDL_SetVideoMode(640, 480, 32, SDL_SWSURFACE);
+	screen = SDL_SetVideoMode(640, 480, 16, SDL_SWSURFACE);
 	if (screen == NULL) {
 		fprintf(stderr, "Couldn't set 640x480x32 video mode: %s\n", SDL_GetError());
 		exit(1);