Grand Theft Auto IV Npc Models

So I was using SparkIV to open and extract the .smd’s and .png textures for an npc. I imported it into blender and all the textures are fused into one, with one for each lod. With 3 lod in total. And there’s like a billion textures for like upper, lower, shoes, hair ,face. Is there another program to have it properly extract the mesh so that certain parts of the mesh correspond to the specific textures?