Autostitch is the world's first fully automatic 2D image stitcher. Capable of stitching full view panoramas without any user input whatsoever, Autostitch is a breakthrough technology for panoramic photography, VR and visualization applications.

This is the first solution to stitch any panorama completely automatically, whether 1D (horizontal) or 2D (horizontal and vertical).

You can download for free a demo of Autostitch from this web site

http://www.cs.ubc.ca/~mbrown/autostitch/autostitch.html#autostitch

enjoy!!!!

If you want to create panoramas like this

you can use this piece of software

Like magic, ArcSoft Panorama Maker® 4 turns any series of overlapping photos into a gorgeous panoramic image in just seconds. The program does most of the work for you by automatically selecting an entire group of pictures with one click, automatically organizing the photos into the proper order, then seamlessly stitching the photos into a panoramic masterpiece that you can print, share or post to the web. Create horizontal, vertical and 360° panorama pictures all within this one amazing program.

http://www.arcsoft.com/products/panoramamaker/