I didn't mean to cause any offense, I just thought that's what the images were.
Well, this image fits exactly over the corresponding image in photoshop, which is what made me assume that it was traced / edited. I can't see how it could be done any other way to such accuracy.
http://www.godfist.com/photo_comparison2.jpg
The way I'd go about achieving that effect would be to raise the contrast, change the hue, and then use the smudge tool. Or, conversely, make a new layer over the image and then use the brush / smudge tool to create the appropriate light and dark areas. What technique did you use?