GIMP Plugin Registry

Uses one colour for the highlights and another for the shadows.

This Script Generates a SpaceScape (StarScape)   a deep space picture with stars and space dust clouds.
You can determine the aspects of the space dust clouds, the color, the image size and the amount of detail.  read more »

To fix burned out or white skies by adding clouds and a blue sky gradient (using a threshold mask).

Guide to Using the Blue Sky & Clouds Script

To fix burned out or white skies by adding a blue sky gradient (using a threshold mask).

Guide to Using the Blue Sky Gradient Script