diff -p -up skulpture-0.2.3/kwin-client/kwin_skulpture.cpp.orig skulpture-0.2.3/kwin-client/kwin_skulpture.cpp
--- skulpture-0.2.3/kwin-client/kwin_skulpture.cpp.orig	2009-07-06 14:41:57.000000000 -0300
+++ skulpture-0.2.3/kwin-client/kwin_skulpture.cpp	2009-07-06 14:42:09.000000000 -0300
@@ -345,7 +345,7 @@ void QtMdiDecoration::init()
 	widget()->setAutoFillBackground(false);
 	widget()->setAttribute(Qt::WA_NoSystemBackground, true);
 	widget()->setAttribute(Qt::WA_OpaquePaintEvent, true);
-	widget()->setAttribute(Qt::WA_PaintOnScreen, false);
+	//widget()->setAttribute(Qt::WA_PaintOnScreen, false);
 }