One of the comments here:
Code:
http://linuxfud.wordpress.com/2007/02/15/add-a-refreshreload-gui-button-to-your-gnome-panel/
describes how to add a nautilus script to refresh your desktop.
On a side note - when you bumped your own post, thus taking it out of the 'zero-post' queue, you significantly reduced the chances of anyone answering your query.