This doesn't appear to be an issue with the graphic, but rather with the way in which the graphic is being placed. Replacing the stock icons with icons that show transparent in other applications continues to show the same behaviour.
-- Tray icon needs transparency https://launchpad.net/bugs/43964 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs