Created using hugin, a very cool open source tools to create panoramic photos.
The stock version included in Ubuntu 12.04 is a little old. You can get a more recent version here
This was created from 14 photos and stitched together using hugin. View the largest size (15M). The original was 21M, which is over Flickr.com photo size limit.
Last month at the new Manchester LUG, I got tagged to give a presentation down at the Pepperell, MA library for their fall Tech Talk series.
Basically how to stitch a bunch of photos into one larger panorama, like this one created from 4 photos:
Below are links to the flyer, my slides and the four source images used in the panorama demos: