the file was actually in the /etc/kde3/kdm/ directory. It does say the last changes are from Saturday so i hope this still helps
** Attachment added: "kdmrc" http://librarian.launchpad.net/6566506/kdmrc -- kdm broke down https://launchpad.net/bugs/87302 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs