Just state the reason's you picked your avatar, what made you like it over the others.
I did mine because IMhO Carter's death was the best scene I have seen, in all the Halo Game's Campaign combined.
Before that Carter kinda annoyed me the most of Noble team, even more so than Kat, but then. "Carter out..."
[Edited on 03.22.2012 4:22 PM PDT]