Need A New Rig for the Models (description and links are as followed)

Ok so basically i Noticed on sfm that with the tf2 models you can use a simple rig for the model’s.
But sadly when you try to do it with some models with extra bone joints it comes up with error messages.
If someone could possibly re-rig to a easier model it would be much appreciated
Links are below for the models
Wesker …http://www.garrysmod.org/downloads/?a=view&id=123870
Final Fantasy …http://www.garrysmod.org/downloads/?a=view&id=122908
http://www.garrysmod.org/downloads/?a=view&id=123610
http://www.garrysmod.org/downloads/?a=view&id=125086

I think it would be probably be easier to just re-write the rigging scripts for SFM…