Ski-Hill Video/Photo

  So my friend and I are currently in Keystone Colorado snowboarding, and we want to get some cool pictures of ourselves snowboarding, but its a real hassle to have one person wait with a camera to get footage or pictures.
  It hit us that since they use cameras on rollercoasters automatically, why not install video cameras/still cameras at cool locations around a ski hill (i.e. jumps, rails, big slopes)? This way, the cameras could automatically take cool pictures or video of people going down the hill, then the skiers could later search through the footage and retrieve pictures of themselves.