creating photo panoramas from multiple images

hugin - Panorama Tools GUI
Nice resource with tools for creating digital photo panoramas. I think I'll try this with My Canon EOS 20d...

An easy to use cross-platform GUI for Panorama Tools.
With hugin you can assemble a mosiac of photographs into a complete immersive panorama, stitch any series of overlapping pictures and much more.
[...]
The tutorial covers the simplest usage of Hugin, just taking two handheld photographs and sticking them together into a single image.

See the wonderful examples here:
The Java viewer "PTViewer" is the simplest solution, since no additional download is required, and it provides high image image quality at the same time. All that is needed is a Java-enabled browser. Some panoramas are provided in the format for LivePicture's Java viewer. Faster display is achieved with plug-in based viewers, but these require download and installation of a plug-in, which may be quite large. Also, plug-ins don't run on all platforms.