diff --git a/src/fixer.h b/src/fixer.h
index d5c1549..42e088e 100644
--- a/src/fixer.h
+++ b/src/fixer.h
@@ -41,8 +41,7 @@ extern "C" {
 /* #define _mbclen		strlen */
 size_t _mbclen(const unsigned char *s);
 
-//#define RGBA_MAKE(r,g,b,a) (((r) << 24) | ((g) << 16) | ((b) << 8) | (a))
-#define RGBA_MAKE(r,g,b,a) ((((unsigned char)a) << 24) | (((unsigned char)b) << 16) | (((unsigned char)g) << 8) | ((unsigned char)r))
+#define RGBA_MAKE(r, g, b, a)   ((((a) << 24) | ((r) << 16) | ((g) << 8) | (b)))
 
 #define MAX_PATH	PATH_MAX
 
diff --git a/src/main.c b/src/main.c
index 6749ee4..adaac43 100644
--- a/src/main.c
+++ b/src/main.c
@@ -442,10 +442,11 @@ int main(int argc, char *argv[])
 
 	AvP.CurrentEnv = AvP.StartingEnv = 0; /* are these even used? */
 	
-//	AvP.PlayerType = I_Alien;
+	AvP.PlayerType = I_Alien;
+	SetLevelToLoad(AVP_ENVIRONMENT_FERARCO); /* starting alien level */
 
-	AvP.PlayerType = I_Marine;
-	SetLevelToLoad(AVP_ENVIRONMENT_DERELICT); /* starting marine level */
+//	AvP.PlayerType = I_Marine;
+//	SetLevelToLoad(AVP_ENVIRONMENT_DERELICT); /* starting marine level */
 //	SetLevelToLoad(AVP_ENVIRONMENT_INVASION); /* because the menus aren't implemented */
 
 
@@ -455,7 +456,7 @@ int main(int argc, char *argv[])
 //	SetLevelToLoad(AVP_ENVIRONMENT_LEADWORKS_MP); /* multiplayer */
 
 //	SetLevelToLoad(AVP_ENVIRONMENT_E3DEMOSP); /* demo level */
-	
+
 // while(AvP_MainMenus()) {
 
 	d3d_light_ctrl.ctrl = LCCM_NORMAL;
diff --git a/src/mathline.c b/src/mathline.c
index 7879f95..2adfc09 100644
--- a/src/mathline.c
+++ b/src/mathline.c
@@ -394,6 +394,8 @@ __asm__("imull	%%edx			\n\t"
 int DIV_FIXED(int a, int b)
 {
 	int retval;
+	
+	if (b == 0) return 0; /* TODO: debug this! (start with alien on ferarco) */
 /*
 	_asm
 	{
diff --git a/src/opengl.c b/src/opengl.c
index 21bda70..75f3a7e 100644
--- a/src/opengl.c
+++ b/src/opengl.c
@@ -333,6 +333,7 @@ void D3D_Particle_Output(PARTICLE *particlePtr, RENDERVERTEX *renderVerticesPtr)
 		{
 			int r, g, b, a;
 	
+			/* this should be OK. (ColourComponents was RGBA while RGBA_MAKE is BGRA (little endian) */
 			r = (particlePtr->Colour >> 0)  & 0xFF;
 			g = (particlePtr->Colour >> 8)  & 0xFF;
 			b = (particlePtr->Colour >> 16) & 0xFF;
@@ -355,9 +356,9 @@ void D3D_Particle_Output(PARTICLE *particlePtr, RENDERVERTEX *renderVerticesPtr)
 	} else {
 		int r, g, b, a;
 		
-		r = (particlePtr->Colour >> 0)  & 0xFF;
+		b = (particlePtr->Colour >> 0)  & 0xFF;
 		g = (particlePtr->Colour >> 8)  & 0xFF;
-		b = (particlePtr->Colour >> 16) & 0xFF;
+		r = (particlePtr->Colour >> 16) & 0xFF;
 		a = (particlePtr->Colour >> 24) & 0xFF;
 		
 		glColor4ub(r, g, b, a);