shiny character models.. help!

[KGG]

I signed in to play CS:S today and all the character models were shiny, ct's and t's, sorta silverish over their regular appearance. Now it wasn't like this before and even after reinstalling it they're the same. Does anyone know how can I fix this??

 

[-Psy-]

mat_specular 0

 

[Beerdude26]

Steam Info, like PsychoFreak here said.