Replying to Corks on trampolines

Ok I know there are threads everywhere about corks and I get the whole drop your shoulder and look under or your heals or whatever, or just carve off the lip, but every time I try to on a trampoline I just totally mess up and land on my back, side, but mostly ass/back. Any help? I basically jump, spin and at the same time drop my shoulder backwards but not very hard, but no matter what I can't get back on my feet.

please help

oh and I posted this in Trick Tip Forum but no one really replied