there seems to be some inconsistency when loading obj. objects. sometimes it automatically applies the items materials other times not. specifically if i create a tree in another 3d program, with materials, then export in obj. format. sometimes the items parts (trunk, branch, leaves etc,) come up on the list for the multi shader under the surface shaders tab and sometimes they don't. how can i apply materials or textures if nothing comes up on the multi shader option? there is always the obj. file along with a mtl file also when i export my items. doesn't terragen automatically load the items materials when i load the object? i hope i explained my problem properly.