Again another wallpaper that beggers belief! I suppose you what to know how to get it on the desktop now. Setting the background as your desktop wallpaper can be done in a number of ways. You can either right click the background below and then choose 'save target as...' (IE & Opera) or 'save link as...' (Firefox). If you do this - remember where you saved it! Next you need to go to where your computer's operating system display settings and set the image as your background / wallpaper.
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 trust you. You know already I'm sure. I'll shut it now then.
Return to wallpaper thumbnails.