Again another wallpaper that beggers belief! I suppose you what to know how to get it on the desktop now. There are a few ways to get the wallpaper to be your desktop background. One way is to right click the desktop background below and then choose 'save target as...' (IE & Opera) or 'save link as...' (Firefox). Don't forget where you saved it though! Next goto your computers display control panel and set the background to the image you just saved.
Instead you could, when the full screen version has loaded up, right click it and select 'save image as...' or 'set as Desktop Background' or 'Set as Background'.It'll come to you when the time is right. I have faith in you. You probably already know in fact. I'll shut it now then.
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