First of all Elmeesh :welcome2: to the LandyZone!
A big hammer should sort out the most of the dents!
Don't forgrt to put a dolly behind them as you bash them out, otherwise you will just make them worse.
If you don't have either the time nor the inclination, I'll give you a fiver for the doors ... if you can ship 'em over here post free!
OSD