No mouse or keyboard on startup

I need my system to be able to start up with no mouse or keyboard attached - only a monitor. I set KDM to automatically log me on and then run the desired program. However, this only works if keyboard AND mouse are connected. If I disconnect either with the power off, it simply starts up to the

Start-Up script

Hey everybody, I'm looking to use my Debian machine as a digital picture frame and I need feh to start when the machine boots up. All of the components are mounted behind an LCD in a wood frame and the whole thing hangs on the wall. How can I make feh start during boot up so that I dont need to h