this a project we ( me and soroosh) done with my head
poroosh helped me a lot in this art.he did the lighting and render and also heاhelped me alot on modeling the scence...I really appreciate him for his help .he gave birth to my models...
here is poroosh's cgs portfoilo:

http://soroosh.cgsociety.org/

model as I already told you done in zbrush,retopo there and then rendering with mental ray in maya.

c&c are welcome