VideoMyPC
If you're looking for a nice software that will help you record videos on your computer, VideoMyPC is a great one to check out. The program lets you record a portion or all of your computer screen and turn it into a movie at a simple click of a button. This nifty little tool is perfect for Youtubers or anybody who likes to record walkthroughs/tutorials and share them online.
Developed by LEDSET Software, this barely there program is approximately 2MB in size but it does wonders. It's has a very straightforward interface and doesn't require a great learning curve in order to master.