can you post a video of your riding?
My soulcraft with it's big ol' fins pops pretty good old man airs. My limiter is how high I can lift my knees because the board seems to go as high as my feet will let them. More flexibility would result (i think) in more air, but I'm not flexible so I settle for slo mo video ;-)
from shawndoggy on Vimeo.
(sorry not sure why the video double posts from the embed code)