Color studies. Trying out different styles and strokes. I used photos for reference, but wasn't going for a photo copy. I lost the source link for the third image, but it is a photo of Beast from the new Xmen.

http://blog.loish.net/image/76343261488
http://media-cache-ak0.pinimg.com/236x/ca/4e/d7/ca4ed761c3579cb6c90e7ee55f061f3e.jpg