There is a program in ~ftp/pub called transgif that lets
you convert a image into a transparent gif.
All you need is perl in order to use it. 
I hope it helps you when creating your studios.
thanks,
-lile
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Lile Elam	    |  "a brush in hand, a wisp of wind, she sighs 
lile@art.net        |   knowing that this will be the great one..."	
http://www.art.net  |						    -lile
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