i would skiblade for a season or two. all the greats did it
Ski switch a lot. It really helps to just ride down groomers switch.
A great man once said "Basketball, Soccer, Baseball, Football, and Tennis, all examples of sports that take one ball, Skiing takes two."
If you are going to be good in the park you have to "Nut Up or Shut Up" Commitment is everything.
It also helps to have friends to ski with so you can push each other.
Lastly, join the trick tip cult.