First get some mud flaps. And get some magnetic door protectors or something. I have scratched up my rims pretty bad also. Here is a picture of my doors from trees -
Trees don't like me
I was going slow but it doesn't matter. If you want to keep your new Hummer looking new keep it of the trails but the way I look at it is - It's a HUMMER! it's meant to get dirty and scratched and tore up at least a little bit.
