1. Method for providing different background images for multiple virtual desktops in a graphical user interface being presented on a display of a computer system, the method comprising: presenting each full-size virtual desktop including the background image of each full-size virtual desktop as a thumbnail on the display; receiving an indication from a user that an old background image of a first full-size virtual desktop of the multiple virtual desktops is to be replaced with a new background image; and displaying on the display the new background image of the first full-size virtual desktop of the multiple desktops in accordance with the indication received from the user if the old background image of the first full-size virtual desktop is in the view of the user, the act of displaying being adapted to display the background image of the thumbnail that corresponds to the first full-size virtual desktop.