This is fixed in QuinnStorm's fork of compiz with the organic scale patch written by playerX on the compiz.net forums. This thread has a bit of info about it and that it *does* fix this bug:
http://www.compiz.net/topic-201-scale-enhancements -- F12 view-all windows can overlap https://launchpad.net/bugs/35069 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs