Media Tracker hangs creating multiple images from common giff

> From ###@###.### Thu Mar 14 16:46 PST 1996
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> - The Media tracker hangs when attempting to create more than
> two or three copies of an image from a common gif file.
> This locks up an application using waitForID().
> I am replacing all use of the MediaTracker with my
> own media manager anyway, but this should be fixed.