need help building a freestyle ramp

[#101]

My buddy is wanting to make a freestyle ramp. He has a foam pit and is wanting to try the backflip. I didnt know if anyone on here could help him out. Thanks

[Master LTR450]

check this out

http://www.exriders.com/vbb/showthread.php?s=&threadid=273704

[durham454]

make sure you get video of this backflip attemp!!!
What is he gonna try this on?