This specifies the name of an ARexx script to run before each image 24 bit image is loaded. This can be used to e.g. hold the images on disc in JPEG format to save space and convert each image back to 24 bit ILBM when required. Note however that MPRender now has the ability to load a large variety of image formats.
The default script is:
The version supplied does nothing.
Set to OFF to run no script.