My main group for Borderlands 2 (As in the only group I have of four people as opposed to 2 or maybe 3). I made this as the conversation picture until level 50.

Clockwise from top left
Dayken - Maya/Siren - Primary tree: Harmony - Head: Maya
Myself - Gaige/Mechromancer - Primary Tree: Little Big Trouble - Head: Read All About It
Range - Axton/Commando - Primary tree: Survival - Head: Dapper Gent
Koda - Gaige/Mechromancer - Primary tree: Best Friends Forever - Head: Bullet Buccaneer

(May need an F5 as I fixed the image size)