A good guide has been posted up on Photojojo, a great blog for camera enthusiasts, on how to make your own bike camera mount which could make for some pretty cool shots around London. In total it should cost you less than $10 (£5-6) and the process looks fairly simple. I might even give it a go myself later this week. If anyone has any good cycling videos they have taken please share them.
Photojojo: Attach a camera to your bike