Ok, sk8ers i need help...on kickflip?

i can ollie and pop shuvit.now i need to know the kickflip and i have been working on it 4 about 3 months and i still cant land it .i think i have alotta problems with this and one is that when i suck my feet up they hit the board...especially my back foot and i cant get my front foot back on the board in time to land it.and when i get my back foot on my front foot never makes it back on. and sometimes the flick goes completly wrong. i know i just need practice and that i ahev alot of probs with this trick but does anyone know a site that really helped u or someone that u know.it would really bw helpful if so plz let me know.this trick is driving me insane