You can configure shadow's offset and opacity and presentwindow's mouse activation areas
(e.g. activate when mouse it at top-right corner).
svn path=/trunk/KDE/kdebase/workspace/; revision=669040
There's also a kwineffects library now, containing the effects API, which makes it possible to write
third-party effects.
API isn't complete yet and for now just two effects have been converted but I'm working on it :-)
svn path=/branches/work/kwin_composite/; revision=652226