First thing, learn to bunny hop, after you can do that, I'd just try clearing a few ramps....we're talking Mirra and Nyquist kind of BMX, right? I'd just do a few grinds too, after that, just try doing tricks like tailwhips and barspins, but remember, start small and then go BBBBBBBBBBBIIIIIIIIIIIIGGGGGGGGGGGGGG!!!!!!!!!