Question about default wallpaper that's nagging me

[Spring Rubber]

I was just in the process of backing up all my files, wallpaper included, as I get ready to upgrade from Leopard to Snow Leopard. As I was looking at the default Leopard wallpaper, I noticed that the version that came with my MacBook looks slightly different than the ones I find on the internet.

Here's the one on my MacBook:
http://h.imagehost.org/view/0238/Aurora

And here's what all the ones I find on the Internet look like:
http://picasaweb.google.com/lh/photo/kUHyj1TJaSz3HhaRCBDUiA

Notice the difference in color, especially around the top of the image. The ones on the Internet are much more pink up on top. I'm wondering: did Apple make two different versions of the wallpaper, or is this simply a matter of color distortion on the images available on the Internet?

 

[R94N]

I think it's colour distortion or some other problem, as I think it's very unlikely Apple would create two near-identical wallpapers.

 

[Xavier]

Resolution and saturation look different. The one on the internet is probably lower quality.

 

[Digger148]

There is a difference to the design of the default wallpaper in the change from Leopard to Snow Leopard and they are both included in the Snow Leopard upgrade.

See: "System Preferences;/Desktop & Screen Saver;/Nature".