Here is a great video by Beau O'Brian where he gives some really great tips on executing a kick turn on a stand up paddle board. This is a great skill to have if you even intend to do any flat water paddle racing or BOP (battle of the paddle) style racing. Even if you never want to race, being able to step back and do a turn like this is a great skill and a good test of your balance.
Don't forget to check out Beau's Facebook Page. It is a great way to stay up to date with what events that Beau is competing in.