not bad, a lot of those photos would look a lot better if there was more sky instead of so much ground.. IMHO it makes your focus on the dirt etc instead of the cars
ie
http://members.iinet.net/~ptv/DSCF1658.jpg
http://members.iinet.net/~ptv/DSCF1627.jpg
http://members.iinet.net/~ptv/DSCF1639.jpg
etc..