ImageMagick as user install

It seems like on Wed, Dec 06, 2000 at 08:24:24AM -0700, Armin Hartinger scribbled:
Orig Msg> With this package, can I define transparency of certain colors in GIFs?
Orig Msg>
Orig Msg> If so, it might be a viable alternative.
Orig Msg>
Orig Msg> -Armin
Orig Msg>

Would I steer you wrong?

man ppmtogif:
================
NAME
       ppmtogif - convert a portable pixmap into a GIF file

[snipped]

       -transparent color
              Mark  the  given  color  as  transparent in the GIF
              file.  The color is  specified  as  in  ppmmake(1).
              Note  that this option outputs a GIF89a format file
              which might not be understood by your software.

       All flags can be abbreviated to their shortest unique pre-
       fix.

SEE ALSO
       giftoppm(1), ppmquant(1), ppm(5)

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