i liked it mate =D, how windy was it in the video? the water looked pretty glassy and u guys looked pretty powered.
Cheers for sharing, yeah, ebay's great for a cheap and nasty tripod... you want to get one with a fluid head, let's you pan real smooth and stuff.
Kiddie pool's great for filming, next time walk the camera right out and shoot back to land, and play around with different angles and stuff.
You can also get a rain/dust cover from ebay, it will keep your cam safe from accidental splashes etc.
Sic soundtrack, riding's coming along too... keep filming, and sharing 
