The aquarium image was rendered with rayshade from a script written 
by kilian@cray.com and Jerome A. Farm.

Image `montage.miff' was created with this command:

  montage -colors 256 -gravity center -title "Image Montage" \
    -geometry 128x128+5+5 dna.miff swan.miff aquarium.miff montage.miff
