Rule #1 - Be Patient - Rule #2 - Don't ask when, if you don't contribute - Rule #3 - You have coding skills - LinuxMCE's small brother is available: http://www.agocontrol.com
It is currently impossible. There is a (recently added) mantis issue for this, but it will be the post-0710:http://mantis.linuxmce.org/view.php?id=3836