Would you like download beautiful photographs published in National Geographic magazine to your desktop?
(even if you are not a subscriber)
Here is what you can do.
Type in this URL
where 'MM stands for 2 digit month and 'YY' stands for 2 digit year
choose your own month and year and you have access to the online version of the magazine. You could explore many of the magazine features.
One of them is 'Wallpaper', which you will see under 'Fun Stuff' on the right most banner.
http://www.nationalgeographic.com/magazine/0104 for JAN 2004 Issue
http://www.nationalgeographic.com/magazine/0105 for JAN 2005 Issue
Note: Not all issues are accessible this way, but quite a few number are.