Here's the fender I put on my KLR ... flex this should fit your DR too ...
http://www.rockymountainatv.com/productDetail.do?navType=type&webTypeId=24&navTitle=Body&webCatId=10&stockId=64784&prodFamilyId=225
Damn, that's cheap! Have you seen what KTM fenders cost ???
Well these come in orange and black too. ;D