Tools I use for screencasting: TextEdit
To record the intro for Mac OS X Screencasts, I set up an almost blank TextEdit document. I use it as a teleprompter and video improver.
I use to set the background color to Cantaloupe, maximize the window and crank the brightness all the way up. Which makes this picture:
Way better isn’t it? All I add after that is a 3-Way Color Correction in Final Cut Pro and voila I look beautiful-ish.