[REQUEST] Gmod Headhacker

Hello,
I would like to have this model’s head (glasses included) on the scientist’s body + remove the “Aperture” on the white coat.
Head : http://img836.imageshack.us/img836/876/ttew.png
Body : http://img88.imageshack.us/img88/9048/corpsi.png

Here the files to do this are

I’ve tried to do this but I’ve problems with textures and .QC file…
Thank you !

Anybody?