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10.7: Change the login screen background image
Authored by: pwsloss on Aug 09, '11 05:56:06PM

I plugged in a photo I was using in SnowLeopard and previous systems (.png format -- I'm guessing any other compatible image, jpg, tif, would also work?) and it looks fine. The older systems scaled the "DefaultDesktop" image to fill the screen, while Lion seems to present it in muted tones, pixel-for-pixel, centered. Being larger than the screen on my MBP, it is cropped but at least it's not that boring gray field. After replacing "NSTexturedFullScreenBackgroundColor.png", that's what appears at login. After waking from sleep, the previous desktop background image is shown behind the login icon as before.

Edited on Aug 09, '11 05:59:42PM by pwsloss



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10.7: Change the login screen background image
Authored by: jrepasky on Aug 18, '11 01:45:06PM

Also if your company needs a SOX compliant banner and you want it to look purdy:

I originally used the solution
http://www.afp548.com/article.php?story=lion-policy-banner
and made it look okay with an image, but then I tried to log on with a user from our AD domained/bound accounts.

We have a .local domain which causes crazy long login times, up to 3 minutes (see my other post we, also have a call in with apple)
because the Policy Banner is set to re-appear after 30 seconds of inactivity it would nullify the attempted login for AD users


So I found another way
Replace:
/System/Library/PrivateFrameworks/LoginUIKit.framework/Versions/A/Frameworks/LoginUICore.framework/Versions/A/Resources/appleLinen.original.png

with a large resolution file (we use 1024x768) that has a transparent background (has to be png)
I put my text as well as the apple log in the middle and fiddled with the location of both of them until it looks nice above the username/password fields


Thanks!



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