Three videos:

Thanks to Stacy for the tip on the first of the three. The next two were sort of obvious after that…


  1. #1 Stacy
    December 15, 2008

    Thanks for the link! 🙂 — Aren’t the videos awesome?!! I can even understand them !

  2. #2 SimonG
    December 15, 2008

    Good videos. Well explained without talking down to the viewer.

  3. #3 Anne Gilbert
    December 15, 2008

    I’m sending this along to some interested parties.
    Anne G