This seems to be because the various files inside, for example, in /usr/share/themes/Silicon, the gtkrc should go in the gtk-2.0 subfolder, and *.png as well as metacity-theme-1.xml should go in the metacity-1 subfolder. Fairly simple to fix, but annoying nonetheless.
-- Community theme components not installed https://launchpad.net/bugs/47272 -- desktop-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
