And fill it out, is a UK site but works in the US. Doesn't look like you even need to actually own the game. Downloading it now, will report back on how it looks.
EDIT: Well its pretty ugly, but hey free is free. In the Dress Up section by the way.
UPDATE: According to Metro twitter, "To celebrate the launch of Metro 2033, we'll be posting Gas Mask codes for your Xbox Avatar, IF we hit 2033 followers ;¬) go RT!"
So become a fan of that while you are at it and another free mask
Edited by Ibramgaunt249, 20 March 2010 - 02:16 AM.