Sorry I couldn't be of any actual help, but this is amazing and I hope you keep at this.
Clothes, uniform, and skingroup for team.
In which case, don't rename the vtf files.
Figure out the names of the pyro files.
I Can say that besides clipping, it works rather well, and is hilarious.
Though I'll point out the uber skins were in the wrong spot, it didnt stop me from having fun with this.