The icons has been replaced by the Tango-icon. The reported issue can be considered as solved. Thanks a lot to the artwork team.
** Changed in: ubuntu-artwork (Ubuntu) Status: Confirmed => Fix Released -- desktop icon inconsistency https://launchpad.net/bugs/34900 -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs