S.T.A.L.K.E.R. skin

An unkown guy/girl asked me to make a skin of a guy from S.T.A.L.K.E.R. I didn't ever heard of the game, so he posted a picture of that guy. This is the picture:

It was really hard, I swear. I've bin working on that skin for like two hours... It was really hard, and this is what it became after all that work:

S.T.A.L.K.E.R.