Taken from:
http://www.intothepixel.com/artwork/2008_contest_winners.asp

TITLE
Advisor
 
GAME
Half-Life 2: Episode 3
 
ARTIST
Ted Backman, Jeremy Bennett, Tristan Reidford
 
MEDIA
2D
 
SOFTWARE
Photoshop, Maya, Zbrush
 
PLATFORMS
PC, PS3, Xbox 360