Goto your cstrike folder, for example, mine is:

D:\Games\Valve\Steam\Steamapps\***(whateveryourusernameis)**\counter-strike source\cstrike\

Then just copy paste the materials folder I provided into your cstrike. Restart steam and enjoy!

(Obviously people dont know what the Cstrike folder is. It's a folder where you have..

bin sound maps materials models cache etc. etc. COPY PASTE MATERIALS INTO YOUR CSTRIKE FOLDER!)