I second that the GoPro Hero is a good choice and I also....
recommend the GoPro because there are lots of other ways you can mount it to things. It does give you TV quality in good light. I have been mounting mine straight to the boat and filming away down the river and have been able to get some fun stuff. I hope they continue to update this camera. If you want some example shots email me and I will put somthing together for you. I may post some on our website today as well.
Marshall University Whitewater Club