Find pictures on the website that you would like to use on your desktop background.
When you find a picture right click on the picture.
Then click copy.
Open Microsoft Paint.
Click Images.
Click Attributes.
Set your attributes to Width 800 Height 600.
Click ok.
Click edit.
Click paste.
You can move the pictures around by clicking and dragging them around.
When you are finished adding pictures take a look and admire your good work.
Here is how you set your picture as a desktop background.
Click File.
Click Set As Background (centered).
Click Ok for saving the picture.
Click Save on the next screen.
Now your picture is on your desktop.