Thank you for downloading this software!

BackLight provides a menu extra (really an NSStatusItem, which are fully supported in Jaguar) that allows you to turn your screensaver on and off as your desktop background. It's quite a cool effect really, but you should probably have a Quartz Extreme-capable machine if you want to handle the load.

Requires: 
Mac OS 10.2
Quartz Extreme highly recommended

New in v2.0:
♼  Added Panther and Expose support
♼  Fixed compatibility issue with Konfabulator
♼  Added option to set the window's transparency
♼  Apple's Screen Effects Engine no longer used

New in v1.6:
♼  Screen Effect priority can now be set in Preferences

New in v1.5: 
♼  Preference to start the background effect on Launch
♼  Added Screen Effect menu to select which effect to run without opening the Screen Effects Preferences.
♼  Now remembers the chosen Effect. 
♼  Automatically rebuilds the Screen Effect list when an effect is added or removed from the system.

Documentation:
BackLight adds a menu to the system menu bar to access if features.

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Simply choose the "Start Screen Effects" menu item to start running a screen effect as the your background.  Then choose "Stop Screen Effects"  to stop it and return to your normal background picture.  Doing so will start the  screen effect that is checked in the "Screen Effects" menu.  

To change which module is running, simply select the desired screen effect from the "Screen Effects" menu.  Once an effect has been chosen, it will start running as your background and is set to be the screen effect that is run when the "Start Screen Effects" menu item is selected.  

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In "BackLight Preferences" you can select whether or not to have the screen effect start running when BackLight is launched.  When this option is checked, the last selected screen effect will be the one that is started.  If the screen effect has been removed, the default effect will be selected.

The "Set Priority To" option will change the priority at which the Screen Effect will run.  Using a lower setting will cause the Screen Effect to only use the processor when other applications do not need it.  This will cause applications that your working with and the finder to feel more responsive when the Screen Effect is running as your background.  Changing the priority while a Screen Effect is running will not effect it.  The Screen Effect needs to be stopped and then restarted to change its priority.

WIndow Opacity allows you to set the tranparency of the window

How do I have BackLight automatically start on boot-up/login?

Select the "Login Items" pane of the System Preferences.  In it, press the  "Add…" button and then locate BackLight on your hard drive.  Then press the "Add" button.  BackLight will then show in the list of items to start when you log in.  Now when every you log into the system, BackLight will automatically run.  If you wish to have it not start up automatically anymore, simply select BackLight in the Login Items pane and click the Remove button. 

Grown and Juiced By:
Brad Miller

Special Thanks for Additional Resources:
Erik J. Barzeski

Copyright 2003 Freshly Squeezed Software.
http://www.freshlysqueezedsoftware.com