I have seen similar concept several times before in Internet, but I though I'd love to explore this idea too - the life of someone (something) during changing seasons. Tree shape generate in ContextFree, manipulated in Photoshop.
This wallpaper is a qualifying submission in the GUI Championships 2006. If you like it - please support Vladstudio and vote here - [link]
How to vote: you will need to login to Wincustomize.com (or create new account), then select "Seasons" from dropdown list. Thanks!
( more resolutions are available at [link]