Shiny Hands and Dull Textures

When I use a weapon on Garry’s Mod, I get shiny CS:S hand models and some of the original CS:S weapons have dull textures. Any help?
Also sorry for huge pics -.-

http://imagr.eu/up/4edbb8962526f6_2011-12-04_00005.jpg

http://imagr.eu/up/4edbb8d751e266_2011-12-04_00006.jpg

I AM INVICIBLE.

LOL I’m Metal Mario

Solved the hands, not the guns.
Downloaded a CS:S hand model reskin.