Pokemon Boy Room (geeky I Know,long Story, But..)In Pokemon Diamong,or Pearl.. How Do You Change Ur Union Room Sprite(char.)?

(geeky I know,long story, but..)In pokemon diamong,or pearl.. How do you change ur union room sprite(char.)? - pokemon boy room

I want to know how my place union Avatar Chat (sprite, character, representatives, etc.) in the game .. such as how to richboy sprite edit in the lobby of the Union ... .. ACE as a trainer or even a nerd boys in the hall of the Union .. cuz I'm like a rich kid in the game .. I'm not tired or so talking about, because my friend changed ow sort of motorcycle Cueball / e, a rich boy. Help me ... plz? = (