Wooden quarter pipe? for MTB

[Riedy]

Hello fellow farkiners
could you please give me some help on how to build a wooden quarter pipe for my MTB? like how high it should be and wide, what materials?

thanks

 

[BUSHPIG]

http://www.youtube.com/watch?v=VGWyCalBlVI

some 4x2 with about 4 or 5 sections of plywood will do.

sorry for the lack of info. my quarters are hard to explain.