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Change Mountain Lion Login Background?


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You can always do it the old fashion way of doing things the manual way. All you really need is an image and possibly photoshop to scale the resolution appropriately so that it doesn't pixelate when you apply the background just follow the link and a post by user DWFaust has detailed out how to change the file and as usual make a backup of the original one just in case.

 

https://discussions.apple.com/thread/3195786?start=0&tstart=0

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I tried Lion Designer and Mountain Tweaks, but found OnyX to be a more user friendly option (notwithstanding the annoying prompts and requirement to authenticate an admin account on startup). The problem I ran into was that the OS seemed to dim my custom graphic by quite a bit.

 

Here's the actual JPEG I used:

login_screen.jpg

 

And here's a VNC captured screenshot of the actual result:

login_screen_final.png

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Maybe try using a png vs a jpg?

I just tried a spiffy new PNG version of the above, and I got the same exact results. I suspect the image fading is a setting from the OS, which worked well on the tiled pattern they used, but not so much on custom login screen backgrounds like mine.

 

Also, I have to apologize for using the already heavily over-used "cracked skull" Apple logo, but it's just so kick-ass that I had no better alternative. I see you have a version of it as your emblem too, eep. :) If anyone wants the .PSD file of the cutout I can post it for download. I don't know who the original creator of the image is, but major props!

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Good point with the tiled vs not, it's gotta be a system thing since it was still faded in VNC. Not sure on the apple skull originator, I first saw it in about this mac graphics by Digital Dreamer

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