GIMP Plugin Registry

Creates a picture which is a duplication of the current picture blured as background,
and the current picture itself reduce with a border and shadow around it as foreground

Example:
Original picture :
Result picture :

Creates a white (or black) border around an image that merges in with the image so that on a larger white (or black) background, the image appears to have a ragged border. This is similar to the Gimp's Fuzzy Border, but it adapts its jaggedness to the image.  read more »

As a technical editor/writer, I found the need for a plugin to easily crop application screenshots with that somewhat jagged "torn-off" appearance. I found a way to manually obtain the effect I needed, and simply replicated the steps in a Python script, using the gimpfu module.

To install the plugin:
1. Put the Python file in the plug-ins folder in the GIMP settings folder in your home folder (or your user settings folder on Windows). That is, if you're using GIMP 2.4 under Linux, the folder would be ~/.gimp-2.4/plug-ins/ and with GIMP 2.6, ~/.gimp-2.6/plug-ins/. Under Windows, you could go to C:\Documents and Settings\\ and search for folders whose names contain "gimp", then go to the plug-ins folder under that.
2. Under Linux, make the file executable (chmod u+x scrnshot_tearoff.py). This is not required for Windows.
3. (Added thanks to comments) If you don't have Python and PyGTK installed, you'll need to install them. This is most likely to happen for Windows computers; many Linux distributions install Python by default. Head to http://www.python.org/download/ and http://www.pygtk.org/downloads.html for Windows installables; for Linux, use your distribution's package management tool to look for and install Python and PyGTK.
4. (Re)start GIMP.

The plugin puts a "Tear-off" menu item on the Image menu for all image windows only (that is, no menu option is available in the main GIMP Toolbox window's menus). Capture your screenshot, or open a saved image; select the area of the image that you want to keep; click Image > Tear-off to get a dialog where you can modify the plug-in parameters.  read more »

This plug-in uses a shaped gradient and multiple layers to make a staggered border of different colored lightning. The image can be from 300x300 to 3000x3000, and the image can have up to 20 frames of lightning. The hues of the lightning gradually change as you go further toward the center of the image.
It's a difficult image to try to describe, so an image of what this script does is attached. This is an 800x600 image, using 5 frames. Using one frame will give a lightning border that can be used for any sized image.
The script works with GIMP Version 2.6. Enjoy!

This script simulates a yellowed and slightly jagged border like these of old photographies.
Copy it into the scripts folder from GIMP, you will find it then under Filters -> Decor -> Antique Photo Border.  read more »

This script finds and removes the white framing around and inside stereo pair images assembled with stereophoto maker with the default settings. (Tested and running with Gimp 2.4.5)

see also:
http://registry.gimp.org/node/8617, script to bisects a stereo image into two layers,
http://registry.gimp.org/node/10170, script to adjoin two separated stereo layers

Puts 2 borders around the image. The outside border is a Gausian blur of the image itself, the inner border is a colour.

This script has 4 options:

1. Border colour, pick the colour of the inner border.
2. Border size, the width of the colour border.
3. Blur amount, the amount of blur applied to the border.
4. Blur border size, the width of the blur border

UPDATE (26 Jul 2008): The script now checks to see if the image is big enough to fit the borders.  read more »

Creates an outer border of the image with reduced brightness and 2 inner colours.

Amazing Circle technique with advanced options. Includes options to choose border colour (or calculate from border average), border size and vignetting effect, whirl/pinch distortion, alternate circle method, plus optional drop shadow & shading.

   read more »

Guide to Using the Amazing Circles Script

Generate a border for a panorama image. It is installed under Filters/Decor/Borders. Example: Plugin dialog: Changelog: 08.10.2008 - v1.2

• CHANGE: Fixed to work with gimp 2.6