The Midlands Macintosh User Group is a non-profit user group run for and by Apple fanatics in the West Midlands, UK. We meet monthly throughout the year covering a wide variety of topics. Our meetings are fun and informal with good refreshments, a main presentation and raffle.
Apple's MobileMe migration to iCloud is due to happen on the 30th of June 2012.
You should have received a reminder from Apple, nudging you to upgrade if you haven't done so already.
iCloud adds some new features to the old MobileMe service and kills off a few in the process. It has been announced with all of the usual Apple hyperbole (seamless, integrated, effortless). Apple's page MobileMe transition and iCloud has lots of information on the gory details of what services live & which ones die.
These scripts make changes to your loginwindow preference file. If the file doesn't exist it will be created.
This preference is set for the computer (all users) as it effects the login window we all see when we log in. The preferences are stored in a plist file /Library/Preferences/com.apple.loginwindow.plist
You could use terminal commands to add these things yourself - the scripts just add a confirmation dialog box and make it easier for novice users.
For the picture script the image needs to be a jpeg and needs to be stored in a public folder as the system needs access to the file before a user logs in.
The picture will be squished or stretched to fit on the screen.
I'm often asked by teachers, IT folks and mac switchers "How can the screen be locked on a mac?"