ostugua_aryam - It doesn't seem like you installed any of the gameplay mods, which makes me wonder why this happens. Did you run the Game Converter prior to installing? It seems like a previous install was not successfully removed, or that it had trouble going through the Steam folder (that happens if the Game Converter wasn't installed, but can happen if it was).
decency_breakin3 - To be quite honest, the Bootleg Custom Models folder is not that good of an idea. It's there, but using it is hit or miss. The models in there are installed after Bootleg is done, before finishing. It won't resolve any conflict, and that can result in weird models. It overwrites anything present in there (under folders named Field, Battle, Magic, High, Chocobo and World). I personally don't recommend it as this can lead to weird bugs, but if you know what you're doing, then go ahead. I can't help troubleshoot problems arising from the use of this folder, though.