1. Open Webshots Desktop (Start up -> program -> Webshots -> Webshots Desktop)
2. Click Option button in Webshots Desktop window (in Upper Right Corner)
3. Select "Wallpaper" Tab in Webshots Options dialog box.
4. Change the value in combo box of Automatically cycle wallpaer every (Note: Mark sure the the first checkbox (Use Webshots wallpaper on desktop) is on.