12' thick plywood, and some blocks to set it on.  Snow is unessesary, and you have the ultimate jub jump that fits in your car.  Put on some snowfence, and you don't even need snow.
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When you assume, you make an ass out of u and me.(think about it)
'My knee hurts' (Jeff Merat after grinding a lunch table for an hour instead of sitting in the ski patrol shack for his torm mcl and acl which he got earlier that day.)
'I'm not asking for any help, just mabe for you to get off your ass.'(my dad)