diff --git a/engine/client/cl_main.c b/engine/client/cl_main.c
index 144d2d232..eb8017aeb 100644
--- a/engine/client/cl_main.c
+++ b/engine/client/cl_main.c
@@ -153,6 +153,8 @@ cvar_t	ruleset_allow_packet		= SCVAR("ruleset_allow_packet", "1");
 cvar_t	ruleset_allow_particle_lightning	= SCVAR("ruleset_allow_particle_lightning", "1");
 cvar_t	ruleset_allow_overlongsounds	= SCVAR("ruleset_allow_overlong_sounds", "1");
 cvar_t	ruleset_allow_larger_models	= SCVAR("ruleset_allow_larger_models", "1");
+cvar_t	ruleset_allow_modified_eyes = SCVAR("ruleset_allow_modified_eyes", "0");
+cvar_t	ruleset_allow_sensative_texture_replacements = SCVAR("ruleset_allow_sensative_texture_replacements", "1");
 
 extern cvar_t cl_hightrack;
 
@@ -2856,61 +2858,63 @@ void CL_Init (void)
 	//
 	// info mirrors
 	//
-	Cvar_Register (&name,								cl_controlgroup);
-	Cvar_Register (&password,							cl_controlgroup);
-	Cvar_Register (&spectator,							cl_controlgroup);
-	Cvar_Register (&skin,								cl_controlgroup);
-	Cvar_Register (&model,								cl_controlgroup);
-	Cvar_Register (&team,								cl_controlgroup);
-	Cvar_Register (&topcolor,							cl_controlgroup);
-	Cvar_Register (&bottomcolor,						cl_controlgroup);
-	Cvar_Register (&rate,								cl_controlgroup);
-	Cvar_Register (&drate,								cl_controlgroup);
-	Cvar_Register (&msg,								cl_controlgroup);
-	Cvar_Register (&noaim,								cl_controlgroup);
-	Cvar_Register (&b_switch,							cl_controlgroup);
-	Cvar_Register (&w_switch,							cl_controlgroup);
+	Cvar_Register (&name,						cl_controlgroup);
+	Cvar_Register (&password,					cl_controlgroup);
+	Cvar_Register (&spectator,					cl_controlgroup);
+	Cvar_Register (&skin,						cl_controlgroup);
+	Cvar_Register (&model,						cl_controlgroup);
+	Cvar_Register (&team,						cl_controlgroup);
+	Cvar_Register (&topcolor,					cl_controlgroup);
+	Cvar_Register (&bottomcolor,					cl_controlgroup);
+	Cvar_Register (&rate,						cl_controlgroup);
+	Cvar_Register (&drate,						cl_controlgroup);
+	Cvar_Register (&msg,						cl_controlgroup);
+	Cvar_Register (&noaim,						cl_controlgroup);
+	Cvar_Register (&b_switch,					cl_controlgroup);
+	Cvar_Register (&w_switch,					cl_controlgroup);
 
-	Cvar_Register (&cl_nofake,							cl_controlgroup);
-	Cvar_Register (&cl_chatsound,						cl_controlgroup);
-	Cvar_Register (&cl_enemychatsound,					cl_controlgroup);
-	Cvar_Register (&cl_teamchatsound,					cl_controlgroup);
+	Cvar_Register (&cl_nofake,					cl_controlgroup);
+	Cvar_Register (&cl_chatsound,					cl_controlgroup);
+	Cvar_Register (&cl_enemychatsound,				cl_controlgroup);
+	Cvar_Register (&cl_teamchatsound,				cl_controlgroup);
 
-	Cvar_Register (&requiredownloads,					cl_controlgroup);
-	Cvar_Register (&cl_standardchat,					cl_controlgroup);
-	Cvar_Register (&msg_filter,							cl_controlgroup);
-	Cvar_Register (&cl_standardmsg,						cl_controlgroup);
-	Cvar_Register (&cl_parsewhitetext,					cl_controlgroup);
-	Cvar_Register (&cl_nopext,							cl_controlgroup);
-	Cvar_Register (&cl_splitscreen,						cl_controlgroup);
+	Cvar_Register (&requiredownloads,				cl_controlgroup);
+	Cvar_Register (&cl_standardchat,				cl_controlgroup);
+	Cvar_Register (&msg_filter,					cl_controlgroup);
+	Cvar_Register (&cl_standardmsg,					cl_controlgroup);
+	Cvar_Register (&cl_parsewhitetext,				cl_controlgroup);
+	Cvar_Register (&cl_nopext,					cl_controlgroup);
+	Cvar_Register (&cl_splitscreen,					cl_controlgroup);
 
-	Cvar_Register (&host_mapname,						"Scripting");
+	Cvar_Register (&host_mapname,					"Scripting");
 
-	Cvar_Register (&cl_countpendingpl,					cl_controlgroup);
-	Cvar_Register (&cl_indepphysics,					cl_controlgroup);
-	Cvar_Register (&cl_antibunch,						"evil hacks");
-	Cvar_Register (&hud_tracking_show,					"statusbar");
+	Cvar_Register (&cl_countpendingpl,				cl_controlgroup);
+	Cvar_Register (&cl_indepphysics,				cl_controlgroup);
+	Cvar_Register (&cl_antibunch,					"evil hacks");
+	Cvar_Register (&hud_tracking_show,				"statusbar");
 
 	Cvar_Register (&cl_dlemptyterminate,				cl_controlgroup);
 
-	Cvar_Register (&cl_gunx,							cl_controlgroup);
-	Cvar_Register (&cl_guny,							cl_controlgroup);
-	Cvar_Register (&cl_gunz,							cl_controlgroup);
+	Cvar_Register (&cl_gunx,					cl_controlgroup);
+	Cvar_Register (&cl_guny,					cl_controlgroup);
+	Cvar_Register (&cl_gunz,					cl_controlgroup);
 
-	Cvar_Register (&cl_gunanglex,						cl_controlgroup);
-	Cvar_Register (&cl_gunangley,						cl_controlgroup);
-	Cvar_Register (&cl_gunanglez,						cl_controlgroup);
+	Cvar_Register (&cl_gunanglex,					cl_controlgroup);
+	Cvar_Register (&cl_gunangley,					cl_controlgroup);
+	Cvar_Register (&cl_gunanglez,					cl_controlgroup);
 
 	Cvar_Register (&ruleset_allow_playercount,			cl_controlgroup);
-	Cvar_Register (&ruleset_allow_frj,					cl_controlgroup);
+	Cvar_Register (&ruleset_allow_frj,				cl_controlgroup);
 	Cvar_Register (&ruleset_allow_semicheats,			cl_controlgroup);
 	Cvar_Register (&ruleset_allow_packet,				cl_controlgroup);
-	Cvar_Register (&ruleset_allow_particle_lightning,	cl_controlgroup);
-	Cvar_Register (&ruleset_allow_overlongsounds,		cl_controlgroup);
-	Cvar_Register (&ruleset_allow_larger_models,		cl_controlgroup);
+	Cvar_Register (&ruleset_allow_particle_lightning,		cl_controlgroup);
+	Cvar_Register (&ruleset_allow_overlongsounds,			cl_controlgroup);
+	Cvar_Register (&ruleset_allow_larger_models,			cl_controlgroup);
+	Cvar_Register (&ruleset_allow_modified_eyes,			cl_controlgroup);
+	Cvar_Register (&ruleset_allow_sensative_texture_replacements,	cl_controlgroup);
 
-	Cvar_Register (&qtvcl_forceversion1, cl_controlgroup);
-	Cvar_Register (&qtvcl_eztvextensions, cl_controlgroup);
+	Cvar_Register (&qtvcl_forceversion1,				cl_controlgroup);
+	Cvar_Register (&qtvcl_eztvextensions,				cl_controlgroup);
 #ifdef WEBCLIENT
 	Cmd_AddCommand ("ftp", CL_FTP_f);
 #endif
diff --git a/engine/client/client.h b/engine/client/client.h
index ba97c7fe9..677e9cc33 100644
--- a/engine/client/client.h
+++ b/engine/client/client.h
@@ -643,6 +643,8 @@ extern cvar_t ruleset_allow_packet;
 extern cvar_t ruleset_allow_particle_lightning;
 extern cvar_t ruleset_allow_overlongsounds;
 extern cvar_t ruleset_allow_larger_models;
+extern cvar_t ruleset_allow_modified_eyes;
+extern cvar_t ruleset_allow_sensative_texture_replacements;
 
 #define	MAX_STATIC_ENTITIES	256			// torches, etc
 
diff --git a/engine/client/valid.c b/engine/client/valid.c
index 06e00578e..875fa96c4 100644
--- a/engine/client/valid.c
+++ b/engine/client/valid.c
@@ -402,6 +402,8 @@ rulesetrule_t rulesetrules_strict[] = {
 	{"ruleset_allow_particle_lightning", "0"},
 	{"ruleset_allow_overlong_sounds", "0"},
 	{"ruleset_allow_larger_models", "0"},
+	{"ruleset_allow_modified_eyes", "0"},
+	{"ruleset_allow_sensative_texture_replacements", "0"},
 	{"tp_disputablemacros", "0"},
 	{"cl_instantrotate", "0"},
 	{NULL}
@@ -413,6 +415,8 @@ rulesetrule_t rulesetrules_nqr[] = {
 	{"ruleset_allow_particle_lightning", "0"},
 	{"ruleset_allow_packet", "0"},
 	{"ruleset_allow_frj", "0"},
+	{"ruleset_allow_modified_eyes", "0"},
+	{"ruleset_allow_sensative_texture_replacements", "0"},
 	{"gl_shadeq1", "0"},
 	{"gl_shadeq3", "0"},
 	{NULL}
diff --git a/engine/common/com_mesh.c b/engine/common/com_mesh.c
index 6b7018622..38aa77491 100644
--- a/engine/common/com_mesh.c
+++ b/engine/common/com_mesh.c
@@ -26,55 +26,55 @@ extern char loadname[];
 
 
 
-typedef struct
-{
-	char *name;
-	float furthestallowedextremety;	//this field is the combined max-min square, added together
-									//note that while this allows you to move models about a little, you cannot resize the visible part
+typedef struct
+{
+	char *name;
+	float furthestallowedextremety;	//this field is the combined max-min square, added together
+									//note that while this allows you to move models about a little, you cannot resize the visible part
 } clampedmodel_t;
-
-//these should be rounded up slightly.
+
+//these should be rounded up slightly.
 //really this is only to catch spiked models. This doesn't prevent more visible models, just bigger ones.
-clampedmodel_t clampedmodel[] = {
-	{"maps/b_bh100.bsp", 3440},
-	{"progs/player.mdl", 22497},
-	{"progs/eyes.mdl", 755},
-	{"progs/gib1.mdl", 374},
-	{"progs/gib2.mdl", 1779},
-	{"progs/gib3.mdl", 2066},
-	{"progs/bolt2.mdl", 1160},
-	{"progs/end1.mdl", 764},
-	{"progs/end2.mdl", 981},
-	{"progs/end3.mdl", 851},
-	{"progs/end4.mdl", 903},
-	{"progs/g_shot.mdl", 3444},
-	{"progs/g_nail.mdl", 2234},
-	{"progs/g_nail2.mdl", 3660},
-	{"progs/g_rock.mdl", 3441},
-	{"progs/g_rock2.mdl", 3660},
-	{"progs/g_light.mdl", 2698},
-	{"progs/invisibl.mdl", 196},
-	{"progs/quaddama.mdl", 2353},
-	{"progs/invulner.mdl", 2746},
-	{"progs/suit.mdl", 3057},
-	{"progs/missile.mdl", 416},
-	{"progs/grenade.mdl", 473},
-	{"progs/spike.mdl", 112},
-	{"progs/s_spike.mdl", 112},
-	{"progs/backpack.mdl", 1117},
-	{"progs/armor.mdl", 2919},
-	{"progs/s_bubble.spr", 100},
-	{"progs/s_explod.spr", 1000},
-
-	//and now TF models
-#ifndef _MSC_VER
-#warning FIXME: these are placeholders
-#endif
-	{"progs/disp.mdl", 3000},
-	{"progs/tf_flag.mdl", 3000},
-	{"progs/tf_stan.mdl", 3000},
-	{"progs/turrbase.mdl", 3000},
-	{"progs/turrgun.mdl", 3000}
+clampedmodel_t clampedmodel[] = {
+	{"maps/b_bh100.bsp", 3440},
+	{"progs/player.mdl", 22497},
+	{"progs/eyes.mdl", 755},
+	{"progs/gib1.mdl", 374},
+	{"progs/gib2.mdl", 1779},
+	{"progs/gib3.mdl", 2066},
+	{"progs/bolt2.mdl", 1160},
+	{"progs/end1.mdl", 764},
+	{"progs/end2.mdl", 981},
+	{"progs/end3.mdl", 851},
+	{"progs/end4.mdl", 903},
+	{"progs/g_shot.mdl", 3444},
+	{"progs/g_nail.mdl", 2234},
+	{"progs/g_nail2.mdl", 3660},
+	{"progs/g_rock.mdl", 3441},
+	{"progs/g_rock2.mdl", 3660},
+	{"progs/g_light.mdl", 2698},
+	{"progs/invisibl.mdl", 196},
+	{"progs/quaddama.mdl", 2353},
+	{"progs/invulner.mdl", 2746},
+	{"progs/suit.mdl", 3057},
+	{"progs/missile.mdl", 416},
+	{"progs/grenade.mdl", 473},
+	{"progs/spike.mdl", 112},
+	{"progs/s_spike.mdl", 112},
+	{"progs/backpack.mdl", 1117},
+	{"progs/armor.mdl", 2919},
+	{"progs/s_bubble.spr", 100},
+	{"progs/s_explod.spr", 1000},
+
+	//and now TF models
+#ifndef _MSC_VER
+#warning FIXME: these are placeholders
+#endif
+	{"progs/disp.mdl", 3000},
+	{"progs/tf_flag.mdl", 3000},
+	{"progs/tf_stan.mdl", 3000},
+	{"progs/turrbase.mdl", 3000},
+	{"progs/turrgun.mdl", 3000}
 };
 
 #ifdef SKELETALMODELS
@@ -724,6 +724,11 @@ static void Mod_DoCRC(model_t *mod, char *buffer, int buffersize)
 				(loadmodel->engineflags & MDLF_PLAYER) ? pmodel_name : emodel_name,
 				(int)crc);
 		}
+
+		if (!(loadmodel->engineflags & MDLF_PLAYER))
+		{	//eyes
+			loadmodel->tainted = (crc != 6967);
+		}
 	}
 #endif
 }
@@ -731,30 +736,39 @@ static void Mod_DoCRC(model_t *mod, char *buffer, int buffersize)
 
 static void Mod_ClampModelSize(model_t *mod)
 {
-#ifndef SERVERONLY
-	int i;
-
-	float rad=0, axis;
-	axis = (mod->maxs[0] - mod->mins[0]);
-	rad += axis*axis;
-	axis = (mod->maxs[1] - mod->mins[1]);
-	rad += axis*axis;
-	axis = (mod->maxs[2] - mod->mins[2]);
-	rad += axis*axis;
-
-	mod->clampscale = 1;
-	for (i = 0; i < sizeof(clampedmodel)/sizeof(clampedmodel[0]); i++)
-	{
-		if (!strcmp(mod->name, clampedmodel[i].name))
-		{
-			if (rad > clampedmodel[i].furthestallowedextremety)
-			{
-				axis = clampedmodel[i].furthestallowedextremety;
-				mod->clampscale = axis/rad;
-				Con_DPrintf("\"%s\" will be clamped.\n", mod->name);
-			}
-			return;
-		}
+#ifndef SERVERONLY
+	int i;
+
+	float rad=0, axis;
+	axis = (mod->maxs[0] - mod->mins[0]);
+	rad += axis*axis;
+	axis = (mod->maxs[1] - mod->mins[1]);
+	rad += axis*axis;
+	axis = (mod->maxs[2] - mod->mins[2]);
+	rad += axis*axis;
+
+	if (loadmodel->engineflags & MDLF_DOCRC)
+	{
+		if (!strcmp(mod->name, "progs/eyes.mdl"))
+		{       //this is checked elsewhere to make sure the crc matches (this is to make sure the crc check was actually called)
+			if (mod->type != mod_alias || mod->fromgame != fg_quake)
+				mod->tainted = true;
+		}
+	}
+
+	mod->clampscale = 1;
+	for (i = 0; i < sizeof(clampedmodel)/sizeof(clampedmodel[0]); i++)
+	{
+		if (!strcmp(mod->name, clampedmodel[i].name))
+		{
+			if (rad > clampedmodel[i].furthestallowedextremety)
+			{
+				axis = clampedmodel[i].furthestallowedextremety;
+				mod->clampscale = axis/rad;
+				Con_DPrintf("\"%s\" will be clamped.\n", mod->name);
+			}
+			return;
+		}
 	}
 	
 	Con_DPrintf("Don't know what size to clamp \"%s\" to (size:%f).\n", mod->name, rad);
diff --git a/engine/gl/gl_alias.c b/engine/gl/gl_alias.c
index c6c96b333..cd22bc91f 100644
--- a/engine/gl/gl_alias.c
+++ b/engine/gl/gl_alias.c
@@ -236,6 +236,11 @@ void Mod_DoCRC(model_t *mod, char *buffer, int buffersize)
 				(loadmodel->engineflags & MDLF_PLAYER) ? pmodel_name : emodel_name,
 				(int)crc);
 		}
+
+		if (!(loadmodel->engineflags & MDLF_PLAYER))
+		{	//eyes
+			loadmodel->tainted = (crc != 6967);
+		}
 	}
 #endif
 }
@@ -1001,8 +1006,14 @@ static galiastexnum_t *GL_ChooseSkin(galiasinfo_t *inf, char *modelname, int sur
 	int frame;
 
 	int tc, bc;
+	qboolean forced;
 
-	if (!gl_nocolors.value)
+	if ((e->model->engineflags & MDLF_NOTREPLACEMENTS) && ruleset_allow_sensative_texture_replacements.value)
+		forced = true;
+	else
+		forced = false;
+
+	if (!gl_nocolors.value || forced)
 	{
 		if (e->scoreboard)
 		{
@@ -1017,7 +1028,7 @@ static galiastexnum_t *GL_ChooseSkin(galiasinfo_t *inf, char *modelname, int sur
 			bc = 1;
 		}
 
-		if (tc != 1 || bc != 1 || (e->scoreboard && e->scoreboard->skin))
+		if (forced || tc != 1 || bc != 1 || (e->scoreboard && e->scoreboard->skin))
 		{
 			int			inwidth, inheight;
 			int			tinwidth, tinheight;
@@ -1028,7 +1039,7 @@ static galiastexnum_t *GL_ChooseSkin(galiasinfo_t *inf, char *modelname, int sur
 			char hashname[512];
 			cc = (tc<<4)|bc;
 
-			if (e->scoreboard && e->scoreboard->skin && !gl_nocolors.value)
+			if (e->scoreboard && e->scoreboard->skin)
 			{
 				snprintf(hashname, sizeof(hashname), "%s$%s$%i", modelname, e->scoreboard->skin->name, surfnum);
 				skinname = hashname;
@@ -1619,6 +1630,12 @@ void R_DrawGAliasModel (entity_t *e)
 		clmodel = e->model;
 	}
 
+	if (clmodel->tainted)
+	{
+		if (!ruleset_allow_modified_eyes.value && !strcmp(clmodel->name, "progs/eyes.mdl"))
+			return;
+	}
+
 	if (!(e->flags & Q2RF_WEAPONMODEL))
 		if (R_CullEntityBox (e, clmodel->mins, clmodel->maxs))
 			return;
diff --git a/engine/gl/gl_model.c b/engine/gl/gl_model.c
index c2821bbaf..5db7e30b1 100644
--- a/engine/gl/gl_model.c
+++ b/engine/gl/gl_model.c
@@ -479,8 +479,10 @@ model_t *GLMod_LoadModel (model_t *mod, qboolean crash)
 		!strcmp(mod->name, "models/stsunsf1.mdl") ||
 		!strcmp(mod->name, "models/stice.mdl"))
 		mod->engineflags |= MDLF_BOLT;
+	else if (!strcmp(mod->name, "progs/backpack.mdl"))
+		mod->engineflags |= MDLF_NOTREPLACEMENTS;
 	else if (!strcmp(mod->name, "progs/eyes.mdl"))
-		mod->engineflags |= MDLF_DOCRC;
+		mod->engineflags |= MDLF_NOTREPLACEMENTS|MDLF_DOCRC;
 
 	// call the apropriate loader
 	mod->needload = false;
diff --git a/engine/gl/gl_model.h b/engine/gl/gl_model.h
index 6a3194fe2..916ecdf60 100644
--- a/engine/gl/gl_model.h
+++ b/engine/gl/gl_model.h
@@ -732,6 +732,7 @@ typedef struct model_s
 {
 	char		name[MAX_QPATH];
 	qboolean	needload;		// bmodels and sprites don't cache normally
+	qboolean	tainted;
 
 	modtype_t	type;
 	fromgame_t	fromgame;
@@ -822,14 +823,15 @@ typedef struct model_s
 
 } model_t;
 
-#define MDLF_ENGULPHS        0x01 // particle effect engulphs model (don't draw)
-#define MDLF_NODEFAULTTRAIL  0x02
-#define MDLF_RGBLIGHTING     0x04
-#define MDLF_PLAYER          0x08 // players have specific lighting values
-#define MDLF_FLAME           0x10 // can be excluded with r_drawflame, fullbright render hack
-#define MDLF_DOCRC           0x20 // model needs CRC built
-#define MDLF_NEEDOVERBRIGHT  0x40 // only overbright these models with gl_overbright_all set
-#define MDLF_BOLT            0x80 // doesn't produce shadows
+#define MDLF_ENGULPHS        0x001 // particle effect engulphs model (don't draw)
+#define MDLF_NODEFAULTTRAIL  0x002
+#define MDLF_RGBLIGHTING     0x004
+#define MDLF_PLAYER          0x008 // players have specific lighting values
+#define MDLF_FLAME           0x010 // can be excluded with r_drawflame, fullbright render hack
+#define MDLF_DOCRC           0x020 // model needs CRC built
+#define MDLF_NEEDOVERBRIGHT  0x040 // only overbright these models with gl_overbright_all set
+#define MDLF_BOLT            0x080 // doesn't produce shadows
+#define	MDLF_NOTREPLACEMENTS 0x100 // can be considered a cheat, disable texture replacements
 
 //============================================================================
 /*
diff --git a/engine/sw/sw_model.c b/engine/sw/sw_model.c
index 4370d45f6..d7b411c11 100644
--- a/engine/sw/sw_model.c
+++ b/engine/sw/sw_model.c
@@ -328,8 +328,10 @@ model_t *SWMod_LoadModel (model_t *mod, qboolean crash)
 		!strcmp(mod->name, "models/stsunsf1.mdl") ||
 		!strcmp(mod->name, "models/stice.mdl"))
 		mod->engineflags |= MDLF_BOLT;
+	else if (!strcmp(mod->name, "progs/backpack.mdl"))
+		mod->engineflags |= MDLF_NOTREPLACEMENTS;
 	else if (!strcmp(mod->name, "progs/eyes.mdl"))
-		mod->engineflags |= MDLF_DOCRC;
+		mod->engineflags |= MDLF_NOTREPLACEMENTS|MDLF_DOCRC;
 
 	// call the apropriate loader
 	mod->needload = false;