diff --git a/source/enet/include/enet/enet.h b/source/enet/include/enet/enet.h
index cfbd01f5..4a7295ec 100755
--- a/source/enet/include/enet/enet.h
+++ b/source/enet/include/enet/enet.h
@@ -423,7 +423,7 @@ ENET_API int enet_address_get_host (const ENetAddress * address, char * hostName
 ENET_API ENetPacket * enet_packet_create (const void *, size_t, enet_uint32);
 ENET_API void         enet_packet_destroy (ENetPacket *);
 ENET_API int          enet_packet_resize  (ENetPacket *, size_t);
-extern enet_uint32    enet_crc32 (const ENetBuffer *, size_t);
+ENET_API enet_uint32  enet_crc32 (const ENetBuffer *, size_t);
                 
 ENET_API ENetHost * enet_host_create (const ENetAddress *, size_t, enet_uint32, enet_uint32);
 ENET_API void       enet_host_destroy (ENetHost *);
diff --git a/source/src/main.cpp b/source/src/main.cpp
index f9f4ce4e..6f5e86e7 100644
--- a/source/src/main.cpp
+++ b/source/src/main.cpp
@@ -229,7 +229,9 @@ int main(int argc, char **argv)
         SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS, 1);
         SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, fsaa);
     }
+#if SDL_VERSION_ATLEAST(1, 2, 11)
     if(vsync>=0) SDL_GL_SetAttribute(SDL_GL_SWAP_CONTROL, vsync);
+#endif
 
     int resize = SDL_RESIZABLE;
     #if defined(WIN32) || defined(__APPLE__)
diff --git a/source/src/md2.h b/source/src/md2.h
index 390e76b4..8cfca80a 100644
--- a/source/src/md2.h
+++ b/source/src/md2.h
@@ -218,7 +218,7 @@ struct md2 : vertmodel
             if(!mdl.load(path(name1))) { delete[] pname; return false; }
         }
         Texture *skin;
-        loadskin(loadname, pname, skin, this);
+        loadskin(loadname, pname, skin);
         loopv(mdl.meshes) mdl.meshes[i]->skin  = skin;
         if(skin==crosshair) conoutf("could not load model skin for %s", name1);
         loadingmd2 = this;
diff --git a/source/src/md3.h b/source/src/md3.h
index 604b76c2..bfa1291d 100644
--- a/source/src/md3.h
+++ b/source/src/md3.h
@@ -186,7 +186,7 @@ struct md3 : vertmodel
         s_sprintfd(cfgname)("packages/models/%s/md3.cfg", loadname);
 
         loadingmd3 = this;
-        if(execfile(cfgname)) // configured md3, will call the md3* commands below
+        if(execfile(cfgname) && parts.length()) // configured md3, will call the md3* commands below
         {
             delete[] pname;
             loadingmd3 = NULL;
@@ -207,7 +207,7 @@ struct md3 : vertmodel
                 if(!mdl.load(path(name1))) { delete[] pname; return false; };
             };
             Texture *skin;
-            loadskin(loadname, pname, skin, this);
+            loadskin(loadname, pname, skin);
             loopv(mdl.meshes) mdl.meshes[i]->skin  = skin;
             if(skin==crosshair) conoutf("could not load model skin for %s", name1);
         }
@@ -236,7 +236,7 @@ void md3skin(char *objname, char *skin)
     loopv(mdl.meshes)
     {   
         md3::mesh &m = *mdl.meshes[i];
-        if(!strcmp(m.name, objname))
+        if(!strcmp(objname, "*") || !strcmp(m.name, objname))
         {
             s_sprintfd(spath)("%s/%s", md3dir, skin);
             m.skin = textureload(spath);
@@ -255,8 +255,8 @@ void md3anim(char *anim, char *startframe, char *range, char *speed)
 void md3link(char *parentno, char *childno, char *tagname)
 {
     if(!loadingmd3) { conoutf("not loading an md3"); return; };
-    int parent = atoi(parentno), child = atoi(childno);
-    if(max(parent, child) >= loadingmd3->parts.length() || min(parent, child) < 0) { conoutf("no models loaded to link"); return; };
+    int parent = ATOI(parentno), child = ATOI(childno);
+    if(!loadingmd3->parts.inrange(parent) || !loadingmd3->parts.inrange(child)) { conoutf("no models loaded to link"); return; }
     if(!loadingmd3->parts[parent]->link(loadingmd3->parts[child], tagname)) conoutf("could not link model %s", loadingmd3->loadname);
 }
 
diff --git a/source/src/protos.h b/source/src/protos.h
index 8e49d98a..efe879ea 100644
--- a/source/src/protos.h
+++ b/source/src/protos.h
@@ -271,7 +271,7 @@ extern void rendershadow(playerent *d);
 extern void rendermodel(char *mdl, int anim, int tex, float rad, float x, float y, float z, float yaw, float pitch, float speed = 0, int basetime = 0, playerent *d = NULL, char *vwepmdl = NULL, float scale = 1.0f);
 extern mapmodelinfo &getmminfo(int i);
 extern int findanim(const char *name);
-extern void loadskin(const char *dir, const char *altdir, Texture *&skin, model *m);
+extern void loadskin(const char *dir, const char *altdir, Texture *&skin);
 extern model *loadmodel(const char *name, int i = -1);
 extern void preload_playermodels();
 extern void preload_entmodels();
diff --git a/source/src/rendermodel.cpp b/source/src/rendermodel.cpp
index c18732cf..f62d7c90 100644
--- a/source/src/rendermodel.cpp
+++ b/source/src/rendermodel.cpp
@@ -153,7 +153,7 @@ int findanim(const char *name)
     return -1;
 }
 
-void loadskin(const char *dir, const char *altdir, Texture *&skin, model *m) // model skin sharing
+void loadskin(const char *dir, const char *altdir, Texture *&skin) // model skin sharing
 {
     #define ifnoload if((skin = textureload(path))==crosshair)
     s_sprintfd(path)("packages/models/%s/skin.jpg", dir);