Taking off/fixing rear bumper

I couldn't find anything really searching, so I'll ask now. I slowly backed into a wall and the drivers side rear bumper is pressed in (only scratches, no real damage). I'm guessing that I can just take the bumper off and bend or replace the pieces that are the problem? I'm hoping it isn't something worse. Either way, does anyone know what to do or know that there are pieces holding the bumper that can be replaced or bent? I am not an idiot and could probably figure out how to take it off but I can't try for a few weeks since it's very cold here and my wrist is broke, so I'd like to see any pictures of it being done.

Thanks

 

fixed my own bumper in the drive way a while back:
http://www.toyotanation.com/forum/6.../231436-my-diy-bumper-repair.html#post2163503

EDIT:
here are the pics: