Merging images in Gimp

The problem
You have two (or more) photographs of the same objects (with different lighting/focus/time lapses, etc.) and you would like to merge them but the photographs are a little off. The end result of such an operation would be akin to this (click to see the larger version):

Merged images (dA link)

Rhizome 7/7 conference

On 16th April, 2010, seven leaders in Technology and seven leaders in Art were paired up and left for a day to develop something new. The results were shown the following day in the New Museum in Ney York. This was the Rhizome Seven on Seven conference. Here is a list of videos with a line of summary for each.