Kuickshow shows only black picture when composite extesion is enabled. Please see http://qa.mandrakesoft.com/show_bug.cgi?id=12647 for more information.
reproducible, but kuickshow works just fine if started as: XLIB_SKIP_ARGB_VISUALS=1 kuickshow therefore this is a Qt or KDE issue and should be filed with them instead.
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