Screenshot sharers should shout in celebration, though they shouldn’t try saying that three times fast. Skitch has been bumped to version 1.0.4, and its most notable new feature is that it no longer requires that you create a skitch.com account in order to use the software. Other improvements include a simplified Welcome screen, and a fix for a crash affecting some 10.6.6 users. (Free, 6.5 MB)
Sleep (and Lock) Your Screen
When you are walking away from your computer, it's fairly common practice to start your screen saver and lock your screen. But did you know that there is a built-in keyboard shortcut in Mac OS X to sleep the screen?
Press Control-Shift-Eject and your monitor sleeps without engaging the screen saver.