Ive used hugin with some good results No panorama head, just a plain ol normal tripod.

Clickys:

One: http://www.flickr.com/photo_zoom.gne?id=427954680&size=o

Two: http://www.flickr.com/photo_zoom.gne?id=427954685&size=o

yup, hugin rocks. Ive even had passable results when the shots werent taken from quite the same place. Not quite perfect, but close enough that a little photoshoping hid it.