This is a cut and paste skin. 
Just extract the files to:
C:\Program Files\Valve\Steam\SteamApps\**your account name**\counter-strike source\cstrike

_______________________________________________
Credits by the pieces:

Pants: Barker

Vest: thelitesniper

Eyes: Syco

Model: Valve

New Skin(parts): dOnn

Sleeves/helmet/gloves: Simplicity

Compile/Cut and Paste/Recolor: trooperx13
_______________________________________________

I have only used this in locked servers with bots due to internet problems, 
but i never had any problems during my play throughs. for best effect, i suggest
downloading Immortality's t_ct_2 CT & T pack, which lets you use the ct_urban as the
only model for ct's.

Have fun!