Here are 2 pictures illustrating my problems. They might help you with finding the problem
http://img834.imageshack.us/i/wrongmodel.jpg
http://img714.imageshack.us/i/wrongpicture.jpg
And great work on the mod, I am really enjoying it.
Something is totally weird about your installation. Is your game patched to the latest SF patch? If so I'd try to reinstall, as I've not seen that issue before, and I'm running the same version of the DLC you are.