now I remember what it reminds me of grin a colin mcRae racing track!
you can get some good inspiration out of that, youtube (my personal favourite) colin mcrae dirt.

http://www.youtube.com/watch?v=tAJ_e9ICwg4

regards,

Formerly known as dennis_fantasy
Portfolio - http://www.designorhea.com/
Project - http://randomchance.cherrygames.org/