To use models from fpsbanana.com you need to do next:
1. Change models name and hex it(fix name in v_ and w_ mdl files)
2. Fix Iron Sight(you need to change vector)
3. Add models\materials to resources.lua precache list(to make users download it)
3.
![Huh? ???](Smileys/DarkB/huh.gif)
4. PROFIT!!!
P.S Ironsight does not work well if you change model on client-side.
P.P.S I got problems with knife replacement only. If i replace it on server-side and use give weapon_ttt_knife server crashes=(