Good Stuff!
Even if they are racing on hills, and not mountains.. ;)
I especally like the first one, great job with the pan! I like the crash sequence too, good presentation. The second one has good line, for your to follow.
Had you posted these in the Critique Forum, I just might have made them the next "Featured Photo"!
I posted a new photo of some dirt jumping over on the Critique Forum.
Brian
GO LANCE!