You can get good tips on skate websites can't you? Well anyway just make sure your foot is about halfway up your board and slide it up the board in a kicking motion. The board should spin anticlockwise if your regular footed, or clockwise if you're goofy footed.
Well, it all depends on your style. I learned kickflips the "ryan sheckler" way. When I started skating I would put my foot a couple inches before the bolts ollie and kick strait down with my front foot.
the more experienced you get the more of an angle you can put your foot.
Chlolkid, kinda sounds like a presure filp to me, o well. But just put your front foot at a slight angle then ollie and just kick with your toe, not your whole leg. Then just keep your body srtaight and there you go. (:
