Every paper size has a different shape, and none probably match the shape of the images produced by your digital camera. This little utility will create a layer showing which parts of an image will fit on the paper when printed. A wide selection of print sizes are included. Using it will help you layout your image so that important pieces aren't cut off by the printer/lab.
This script-fu was developed under Gimp-2.0 and Gimp-2.4
A Gimp script-fu that gives a Midnight Sepia effect as described
1. Create a duplicate of the first Layer
2. Apply a Gaussian Blur on the top Layer
3. Use Hue/Saturation
Check the Colorize Option
4. Change the Blending Mode to Multiply
5. Flatten the Image
6. Duplicate the Layer
7. Change the Blending Mode to Screen
8. Flatten the Image
9. Duplicate the Layer
10. Change the Blending Mode to Screen
11. Adjust the Opacity to taste
Note 1/10/2012: If one uses an IDE such as Code::Blocks (www.codeblocks.org), SHAPEFS should be mostly platform independent, much like GIMP itself. Sincere apologies to any users attempting to use this plug-in. Life intervened between the time I created this and today. I'll take your advise and insure that any future versions come with the correct configure scripts as with other Linux source packages.