Help Missing Textures!

i have a lot of missing textures/models, so i asked to people and they says i need counter strike: source
i bought i but i still have a lot of missing textures and models
how tha **** can i solve it?
(sorry 4 my bad english but i am italian :D)

you have to install Cs:s and play it once, I think.

i solved ryt now (i already played it before psoting this)