Change Leopard Login Screen (Tweak Series)

the login screen background is found here:

/System/Library/CoreServices

and can be replaced using any jpg image you find on the web, do this:

1. open terminal cd to that folder ("cd /System/Library/CoreServices")

2. write: "sudo mv DefaultDesktop.jpg DefaultDesktop.orig.jpg"

3. enter your password and press enter

4. copy some jpg you downloaded from the internet to that folder using Finder

5. rename the image using terminal to the name: "DefaultDesktop.jpg"

6. chmod 644 DefaultDesktop.jpg

7. chown 0:0 DefaultDesktop.jpg

8. logout or reboot