Invest in a shear/sliproll/brake
http://www.harborfreight.com and go for it. It's time consuming and rewarding. To do the door hing covers I bought a shrinker/stretcher.
Here's some pics of some things I've done in the past. See the pics of the red car:
http://www.clubcobra.com/photopost/s...r=9454&stype=0
http://www.clubcobra.com/photopost/s...r=9454&stype=0