Here are the latest incremental updates for Mac OS X apps.

Aperio Lux (http://aperio-lux.org/) has announced uDesktop HD 1.5 for Mac OS X, an update of the personal wallpaper manager. With the upgrade, you can add your own pictures into the program for animation, and installation on the desktop.

Maintain (http://maintain.se/cocktail) has released Cocktail 5.2 (Lion Edition), the latest maintenance update of Cocktail for users running OS X Lion. Cocktail is a general purpose utility for OS X that lets you clean, repair and optimize your Mac. Version 5.2 adds improvements to the Pilot scheduler and ability to automatically purge inactive memory. It also fixes compatibility issues with Microsoft Office 2011 14.2 and Firefox 12.

Little Snitch (http://www.obdev.at/products/littlesnitch/index.html), a security tool for Mac OS X, has been revved to version 2.5.2. The upgrade fixes some issues involving Network Monitor and Fast User Switching.