I finally bought a small videocam and uploaded a short video of my original adjustable height assembly table.
It is posted on the American Woodworker site which I believe requires Flash video viewer, a pretty standard helper function.
Brad Pitt, Tom Cruise, I'm not. Nor am I Steven Spielberg or Cecil B. Demille!
I just posted a revised version. Most of it is the same; I was mainly experimenting with my editing software and dubbing audio. Take two.