Directions To Set One Of These As Your Background-
click on the picture and it will bring you to a new window/page where
the background is actual size
from there you set it as a background (right click->set
as background).
Backgrounds look much better actual size, if you
click on the picture they are much more clear and enhanced. Click on the small picture and from there
set it as the backround, or the background will look blurry and unfocused.