Personal project , summer 2013.
Hipoly environment still. Done in Blender ( Cycles render, BI volume light, post in compositor) textures in Blender, Gimp.
More infos
Post-mortem video tutorial on :
W.ip. Blog posts : http://nizuvault.wordpress.com/
W.i.p. thread : http://blenderartists.org/forum/show…ironment-still