image/*; showpicture -viewer xv %s; description="All Graphic Images"
image/*; showpicture -viewer "xloadimage -view -quiet" %s; description="All Graphic Images"
audio/*; showaudio %s; description="All Audio Subtypes"
audio/basic; showaudio %s; compose="audiocompose %s"; edit="audiocompose %s"; description="An Audio Fragment"
audio-file; sun-audio-file %s; description="Sun Audio Message"