Sights and Sounds of the Nottinghill Carnival on the front page here.
As I looked around it looked like a festival of photography and filming; cameras, mobile phones and PDAs. If I had one tip I would have wanted to pass on he few photographers I stood next to it's don't lighthouse or waterhose. That's where you do this 180 degree swivel. Best to just stay steady and fixed on a subject and let the action take place in the frame.