Careful with this one - can be slippery when wet. Do you need to know how to put this on your desktop? There are a number of ways to set the chosen wallpaper as your desktop wallpaper / background. One way is to right click the wallpaper below and then select 'save target as...' (IE & Opera) or 'save link as...' (Firefox). If you do this - don't forget where you saved it! Then go to wherever you set the background for you particular computer / operating system and select the image.
Another way is when the full screen wallpaper is shown, right click it and select 'save image as...' or 'set as Desktop Background' or 'Set as Background'. When you're ready - you'll know what to do. I have faith in you. In fact you probably already know. I'll be quiet then.
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