Talk:Aang/@comment-3219952-20101124180756/@comment-3068994-20101125182713

http://avatar.wikia.com/wiki/Template:Character_infobox

Go there, copy paste the template shown into your user profile - ensure that you have rich text mode DISABLED (as in, click the Source button)

nation must be one of five things: "neutral"(i think), "water", "air", "fire", or "earth" - that affects the color of the box if I recall.