Just like at the beginning of a movie, I've created a reflective Warner Brothers
- like crest that I rotate and twist as it flies away from the camera to finally
land in a stationary position.  I've mapped an image onto a thin 'screen' behind
the camera that reflects off the crest, and the whole effect comes off looking
pretty good from beginning to end.  What I don't know how to do, however, is
make the image fade once the crest comes to rest.  I don't want to just blank
it out - I know how to do that - and it looks pretty bad.  It's a PNG image
that I'm using, so is there any way to take advantage of alpha or something
like that?  I suppose the brute force method would be to make an image sequence
that fades, and then use those, but I was hoping to avoid this approach.
Anyway, any help would be greatly appreciated.

-T.I.M.

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