If you would like to check out the demo code that I will be using for my presentation you can check out the code from my SVN repo:
svn co http://guido.specialkevin.com/svn/TurboGallery/TurboGallery-DemoIf you don't have/like svn you can download it here. If you would like to download my presentation slides you get them here(pdf, odp).
Hope to see you there.
[Update]
Sorry I forgot to give Nadav Samet credit for the demo code. Here wrote TurboGallery demo to show off the power of TurboGears during a presentation that he did and I really liked his example. Thanks again Nadav.

