Am 03.03.2009 um 11:18 schrieb Bill Long:

Dear All,

anybody can help me on this problem?
As most of the ppt file's background are graphics, but I don't know
how to do it by modify the sytelefile. for example bellow style:


I try to modify

\defineoverlay
[lecbackground]
[\useMPgraphic{horizontal}]

to something like

\defineoverlay
[lecbackground]
[\externalfigure[figure]]

[{\externalfigure[figure]}]

but it doesn't work. any idea? I need for example a.png on right
top. and b.png  bottom.

Wolfgang

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