Skateboarding.....?

ok so im pretty new to skating. i can ollie but thats about it. i absolutely LOVE to skate, even tho i suck and i really wanna hang w/ the skaters @ mi skool but its awkward cuz i kno wut they're talking about but i just cant DO any of the tricks.........i need help learning how to do stuff like a popshuvit [i can kinda do one now, but its on and off] a kickflip, grind, ollie HIGHER [its only a few inches rite now] help? tips??? thxx