This scene is the result of messing around with Cycles' awesome new volumetrics, the man is a Makehuman rigged export (CC-Zero) and his skin is Gregzaal's very own SSS shader ( http://www.blendswap.com/blends/view/43717 ) (CC-BY).
Rendered with Cycles at 1.000 passes.
hmmm. where is texture - fine_stones.jpg ???