chain adjuster help..

[acidburn]

im kinda having a problem with my chain adjustment it seems the 1 peice is bent making my chain tensioner bend and fall off its pretty tough to bend keep in mind i only tried prying it with a wrench anyways heres a pic
http://img511.imageshack.us/img511/5366/bikepics003qz8.th.jpg (http://img511.imageshack.us/my.php?image=bikepics003qz8.jpg)
http://img206.imageshack.us/img206/5748/bikepics004bj1.th.jpg (http://img206.imageshack.us/my.php?image=bikepics004bj1.jpg):mad: :Bounce

[acidburn]

nvm all fixed but on a side note my muffler keeps back firing near where it goes bigger near the end