To download an image to make it
your wallpaper, follow the guide...
On PC
On Macintosh
Select image according to the resolution of your screen
Maintain the mouse on the image and make a right click
Select option " Establish as wallpaper " or " define as bottom of screen "
Unselect: it is made !
save on your hard disk
Choose "Appearance" in the menu Dashboard
Choose the thumb index Desk then select " To place an image "
Select "apply": it is made!