PPM-Saver

This PlugIn saves and loads images in the PPM-format. All types
1-6 (at 8 bits per pixel) are supported by both the loader and saver.

Options:

Type            image-type:
                  PPM   : truecolor
                  PGM   : grayscale
                  PBM   : black and white
Format          file-format:
                  Raw   : binary (smaller files)
                  ASCII : displayable characters (large files)
Loader          disable/enable the loader