diff --git a/engine/client/cl_ents.c b/engine/client/cl_ents.c
index 327158477..377b4c371 100644
--- a/engine/client/cl_ents.c
+++ b/engine/client/cl_ents.c
@@ -4303,6 +4303,12 @@ void CL_LinkPacketEntities (void)
 				Con_DPrintf("Bad modelindex (%i)\n", state->modelindex);
 				continue;
 			}
+			if (model->loadstate != MLS_LOADED)
+			{
+				if (model->loadstate == MLS_NOTLOADED)
+					Mod_LoadModel(model, MLV_WARN);
+				continue;	//still waiting for it to load, don't poke anything here
+			}
 
 			//DP extension. .modelflags (which is sent in the high parts of effects) allows to specify exactly the q1-compatible flags.
 			//the extra bit allows for setting to 0.
diff --git a/engine/common/com_mesh.c b/engine/common/com_mesh.c
index e44b96b4e..9442a9b81 100644
--- a/engine/common/com_mesh.c
+++ b/engine/common/com_mesh.c
@@ -1992,7 +1992,7 @@ qboolean Alias_GAliasBuildMesh(mesh_t *mesh, vbo_t **vbop, galiasinfo_t *inf, in
 			frame1=floor(lerp);
 			frame2=frame1+1;
 			lerp-=frame1;
-			if (r_noframegrouplerp.ival)
+			if (r_noframegrouplerp.ival || (e->model->engineflags&MDLF_NOLERP))
 				lerp = 0;
 			if (g1->loop)
 			{
@@ -2006,7 +2006,15 @@ qboolean Alias_GAliasBuildMesh(mesh_t *mesh, vbo_t **vbop, galiasinfo_t *inf, in
 			}
 		}
 		else	//don't bother with a four way lerp. Yeah, this will produce jerkyness with models with just framegroups.
-		{	//FIXME: find the two poses with the strongest influence.
+		{
+			if (e->model->engineflags&MDLF_NOLERP)
+			{
+				if (lerp > 0.5)
+					g2 = g1;
+				else
+					g1 = g2;
+			}
+			//FIXME: find the two poses with the strongest influence.
 			frame1=0;
 			frame2=0;
 		}
diff --git a/engine/gl/gl_alias.c b/engine/gl/gl_alias.c
index b15689d21..14d1e9f48 100644
--- a/engine/gl/gl_alias.c
+++ b/engine/gl/gl_alias.c
@@ -2185,7 +2185,7 @@ void R_DrawGAliasShadowVolume(entity_t *e, vec3_t lightpos, float radius)
 	if (qrenderer != QR_OPENGL)
 		return;
 
-	if (clmodel->engineflags & (MDLF_FLAME | MDLF_BOLT))
+	if (clmodel->engineflags & MDLF_NOSHADOWS)
 		return;
 	if (r_noaliasshadows.ival)
 		return;
diff --git a/engine/gl/gl_model.c b/engine/gl/gl_model.c
index 6a73da339..68181dd97 100644
--- a/engine/gl/gl_model.c
+++ b/engine/gl/gl_model.c
@@ -43,8 +43,9 @@ cvar_t mod_lightpoint_distance				= CVARD("mod_lightpoint_distance", "8192", "Th
 #ifdef SPRMODELS
 cvar_t r_sprite_backfacing					= CVARD	("r_sprite_backfacing", "0", "Make oriented sprites face backwards relative to their orientation, for compat with q1.");
 #endif
+cvar_t r_nolerp_list						= CVARFD ("r_nolerp_list"/*qs*/, "", CVAR_RENDERERLATCH, "Models in this list will not interpolate. Any models included here should be considered bad.");
 #ifdef RTLIGHTS
-cvar_t r_noEntityCastShadowList				= CVARD ("r_noEntityCastShadowList", "progs/missile.mdl,progs/flame.mdl,progs/flame2.mdl,progs/lavaball.mdl,progs/grenade.mdl,progs/spike.mdl,progs/s_spike.mdl,progs/laser.mdl,progs/lspike.mdl,progs/candle.mdl", "Models in this list will not cast shadows.");
+cvar_t r_noshadow_list						= CVARAFD ("r_noshadow_list"/*qs*/, "r_noEntityCastShadowList", "progs/missile.mdl,progs/flame.mdl,progs/flame2.mdl,progs/lavaball.mdl,progs/grenade.mdl,progs/spike.mdl,progs/s_spike.mdl,progs/laser.mdl,progs/lspike.mdl,progs/candle.mdl", CVAR_RENDERERLATCH, "Models in this list will not cast shadows.");
 #endif
 #ifdef SERVERONLY
 cvar_t gl_overbright, gl_specular, gl_load24bit, r_replacemodels, gl_miptexLevel, r_fb_bmodels;	//all of these can/should default to 0
@@ -676,8 +677,9 @@ void Mod_Init (qboolean initial)
 		Cvar_Register(&mod_lightpoint_distance, NULL);
 		Cvar_Register (&r_meshpitch, "Gamecode");
 		Cvar_Register (&r_meshroll, "Gamecode");
+		Cvar_Register(&r_nolerp_list, "Graphical Nicaties");
 #ifdef RTLIGHTS
-		Cvar_Register(&r_noEntityCastShadowList, "Graphical Nicaties");
+		Cvar_Register(&r_noshadow_list, "Graphical Nicaties");
 #endif
 		Cmd_AddCommandD("sv_saveentfile", Mod_SaveEntFile_f, "Dumps a copy of the map's entities to disk, so that it can be edited and used as a replacement for slightly customised maps.");
 		Cmd_AddCommandD("mod_showent", Mod_ShowEnt_f, "Allows you to quickly search through a map's entities.");
@@ -1140,7 +1142,7 @@ static void Mod_LoadModelWorker (void *ctx, void *data, size_t a, size_t b)
 		|| !strcmp(mod->publicname, "models/cflmtrch.mdl")	//hexen2 wall torch
 #endif
 			)
-		mod->engineflags |= MDLF_FLAME;
+		mod->engineflags |= MDLF_FLAME|MDLF_NOSHADOWS;
 	else if (!strcmp(mod->publicname, "progs/bolt.mdl")
 		|| !strcmp(mod->publicname, "progs/bolt2.mdl")
 		|| !strcmp(mod->publicname, "progs/bolt3.mdl")
@@ -1151,7 +1153,7 @@ static void Mod_LoadModelWorker (void *ctx, void *data, size_t a, size_t b)
 		|| !strcmp(mod->publicname, "models/stice.mdl")
 #endif
 			 )
-		mod->engineflags |= MDLF_BOLT;
+		mod->engineflags |= MDLF_NOSHADOWS;
 	else if (!strcmp(mod->publicname, "progs/backpack.mdl"))
 		mod->engineflags |= MDLF_NOTREPLACEMENTS;
 	else if (!strcmp(mod->publicname, "progs/eyes.mdl"))
@@ -1368,13 +1370,20 @@ model_t *Mod_LoadModel (model_t *mod, enum mlverbosity_e verbose)
 {
 	if (mod->loadstate == MLS_NOTLOADED && *mod->name != '*')
 	{
-#ifdef RTLIGHTS
-		char *s = strstr(r_noEntityCastShadowList.string, mod->publicname);
+		const char *s = strstr(r_nolerp_list.string, mod->publicname);
 		COM_AssertMainThread("Mod_LoadModel");
 		if (s)
 		{
 			size_t l = strlen(mod->publicname);
-			if ((s == r_noEntityCastShadowList.string || s[-1]==',') && (s[l] == 0 || s[l] == ','))
+			if ((s == r_nolerp_list.string || s[-1]==',') && (s[l] == 0 || s[l] == ','))
+				mod->engineflags |= MDLF_NOLERP;
+		}
+#ifdef RTLIGHTS
+		s = strstr(r_noshadow_list.string, mod->publicname);
+		if (s)
+		{
+			size_t l = strlen(mod->publicname);
+			if ((s == r_noshadow_list.string || s[-1]==',') && (s[l] == 0 || s[l] == ','))
 				mod->engineflags |= MDLF_NOSHADOWS;
 		}
 #endif
diff --git a/engine/gl/gl_model.h b/engine/gl/gl_model.h
index 2c3db8984..4c88ac9a1 100644
--- a/engine/gl/gl_model.h
+++ b/engine/gl/gl_model.h
@@ -972,6 +972,7 @@ typedef struct model_s
 	char		name[MAX_QPATH];	//actual name on disk
 	char		publicname[MAX_QPATH];	//name that the gamecode etc sees
 	int			datasequence;	//if it gets old enough, we can purge it.
+	int			engineflags;	//
 	int			loadstate;		//MLS_
 	qboolean	tainted;		// differs from the server's version. this model will be invisible as a result, to avoid spiked models.
 	qboolean	pushdepth;		// bsp submodels have this flag set so you don't get z fighting on co-planar surfaces.
@@ -986,7 +987,6 @@ typedef struct model_s
 	synctype_t	synctype;
 
 	int			flags;
-	int			engineflags;
 	int			particleeffect;
 	int			particletrail;
 	int			traildefaultindex;
@@ -1135,10 +1135,10 @@ typedef struct model_s
 #define MDLF_FLAME           0x0020 // can be excluded with r_drawflame, fullbright render hack
 #define MDLF_DOCRC           0x0040 // model needs CRC built
 #define MDLF_NEEDOVERBRIGHT  0x0080 // only overbright these models with gl_overbright_all set
-#define MDLF_BOLT            0x0100 // doesn't produce shadows
+#define MDLF_NOSHADOWS       0x0100 // doesn't produce shadows for one reason or another
 #define	MDLF_NOTREPLACEMENTS 0x0200 // can be considered a cheat, disable texture replacements
 #define MDLF_EZQUAKEFBCHEAT  0x0400 // this is a blatent cheat, one that can disadvantage us fairly significantly if we don't support it.
-#define MDLF_NOSHADOWS		 0x0800 // do not cast shadows from this entity, ever.
+#define MDLF_NOLERP		     0x0800 // doesn't lerp, ever. for dodgy models that don't scale to nothingness before jumping.
 #define MDLF_RECALCULATERAIN 0x1000 // particles changed, recalculate any sky polys
 
 //============================================================================