I don't know where the transparency is coming from
> either. I don't know where I would set the alpha. Could it
> be in the .rc file? Could it be the way Macs process png
> files. If you like I can send a copy of the image
I looked at it and yes the alpha channel is zero. Very bizarre.
Please send a free standing script, the rc file you are using, the
output of the script when you run the file with --verbose-helpful and
the generated image file.