heres a simple way to make your desktop background as your favorite site.
Step 1: Step 1
right click the desktop and click properties
Step 2: Step 2
then select the tab that is labeled "desktop" and click "customize desktop"
Step 3: Step 3
select the "web" tab at the top of the box then click new.
Step 4: Step 4
Add and tick the url's u want as your "web box's" then apply the changes your desktop should refresh and place the box('s) on your desktop then simply move and resize as you see fit