Run: "gnome-keybinding-properties"
Click Add

Type something like "Toggle Destop icons" as the name
Enter "gconftool-2 --toggle /apps/nautilus/preferences/show_desktop"
Click Apply

Then click in the Shortcut colimn for the new Action an hit a key of your choice (I use F11).

Done.


Now hitting F11 will turn on/off the desktop items.

thansk to 'http://psankar.blogspot.com/'