Visage Login - customize Mac OS X's login screen

HD > Libary > Desktop Pictures > Aqua Blue.jpg

"Aqua Blue" is the wallpaper used as the Login background - to change it, just rename the wallpaper you want to use as "Aqua Blue" and put it in that folder.

Okay, I'm getting ticked off now. This is the second find of mine that TUAW has blogged about (the first was AppleKPro) and haven't accredited me. I, koregaonpark, am NOT digg. My name is Smaran, my nick on digg is koregaonpark. Could you please be a little polite and accredit people for finding stuff? Argh.

Re: 10.4 and changing login screen wallpaper randomly
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I've been using a little script and a logout hook to do this for our computer labs.

The script:
#!/bin/bash
RANGE=`ls -l /Users/Shared/backgrounds/ | wc -l`
echo
number=$RANDOM
let "number %= $RANGE"
cp /Users/Shared/backgrounds/$number.jpg /Library/Desktop Pictures/Aqua Blue.jpg

This generates a random number, then pulls a wallpaper from /Users/Shared/backgrounds named with that appropriate number.

I then have a logout hook that runs this script. Pretty easy!

You can make your screensaver run as your desktop background by typing the following into Terminal:
/System/Library/frameworks/ScreenSaver.framework/Resources/ScreenSaverEngine.app/Contents/MacOS/ScreenSaverEngine -background &

It is basically the command that Visage uses

ONYX does this for nothing !! - and changing the background picture is also easy enough - just google it !! - This was on Digg earlier and got slapped down!

I think this is a good idea to use a tool like this to put your email and reward offer in the login window in case your machine is stolen. I use the free iQuip to add text ( http://www.freemacware.com/iquip/ ) , but this app looks like you can do a whole lot more than just text with it.