http://www.skinet.com/action/2008-10/get-fit-rip

Try this link I received in an email from SkiNet.com. Lots of good exercises for the skier/rider to help get ready for the upcoming season.
AND...
What are your favorite ski related exercises...especially for those of us "a little long in the tooth"?
The Colonel

Going -down- flights of stairs, as fast as possible, making sure to put a foot on each one and bend the ankle all the way forward smoothly.

.. and don't look down at your feet - kept your head up and try to do it looking at the bottom of the stair flight or even higher.

Well what always get me motivated to exercise more is a scantily clad workout partner