Question: plot to gif with transparent background?

I'm trying to export some plots to a .gif file which are then imported to a latex-beamer presentation. Since the presentation uses a non-white background, I want maple to produce gif plots with a transparent background. What I tried so far is plotsetup( gif, plotoptions="transparent=true" ) but no dice. As an alternative, setting a RGB valued BGcolor would be ok for now as well ... here I tried setting the PlotBGColor value of my maplerc but this had not the desired effect as well. Thanks in advance, Cheers Nils
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