Dynamic Range Extender 1.00
Dynamic Range Extender takes two images and creates one composite image, which supposedly has increased dynamic range.
With digital SLR cameras you can often use RAW format, which lets user select the exposure correction afterwards. The sample here is from Canon 10D.
Just copy the script to your GIMP scripts directory. Usually this is ~/.gimp-2.0/scripts, but if you want to use the script system-wide then the directory might be something like /usr/share/gimp/2.0/scripts.