] Collage searches the Internet for images relating to the
] artist, track, and album that are playing. Collage then
] displays a never ending collage of these images on your
] screen. The images are different for every song. You may
] see album covers, photos of performances, photos of band
] members, or just about anything.
]
] Keep in mind that due to the nature of this software, it
] is very unpredictable. For some songs it may not find any
] images or perhaps only one image. Some of the images that
] are found may be obviously related to the song that is
] playing and some may seem to be completely unrelated
] (Collage seems to work best with popular songs).

Cool to have going if you have iTunes JUST playing.

Collage - An iTunes Visual Plugin