Wow. I considered being a cutter, but never did it, because I didn't want to get addicted to self-inflicting pain on myself. Yeah, I don't think I'm very pretty and that I'm fat myself, so I kind of see how she feels. Basically all I can say if offer her support and such. I'm sorry I'm not being much of a help, but I hope she can get her problems worked out.
(((HUGS))) to her and to you.