Just a small reminder - in KDE SC 4.5, Lancelot shows Plasma’s widgets/viewitem.svgz as a background for the items in the lists. So, you should remove the files that match lancelot/action-list-view-* except action-list-view-headers.svgz from your themes.

If you don’t, the list items will have two backgrounds and will look ugly.

The reason why I didn’t disable the old backgrounds directly in the code is that someone could possibly want to have the two backgrounds (an example where it looks OK are the list headers).

I'm going to Akademy 2010