I'm download program Hugin and was played with it.
Below 2 panoramas. They are stitched by Hugin and PTGui.
Try to define what panorama what program have stitched.

Panorama 1
Name:  2011_1030_144726-IMG_4597 Panorama-e.jpg
Views: 189
Size:  838.0 KB


Panorama 2
Name:  2011_1030_144726-IMG_4597-2011_1030_144732-IMG_4600-c.jpg
Views: 137
Size:  678.6 KB