DESKTOP TILES:
Click on a pattern to open it in a new browser window. Right click on the pattern. Select 'set as background'. Go to your "start" menu. Click on 'Settings'. Click on 'Control Panel'. Click 'Display'. Select 'tile' from the 'picture display' option.
DESKTOP WALLPAPERS:
Click on the Wallpaper size. The Wallpaper will open in a new browser window. Righ-Click on the image and select 'set as background'.