Video Guide To Lion is a Mac program that provides you with a wide range of video tutorials to help you handle Lion OS X with ease. This application proves to be of great use to new Mac OS X users that require assistance when working with its basic apps and when configuring the system preferences according to their needs.
The app offers you up to two hours of video instructions with detailed information regarding the customization of applications like Finder, Preview, Mission Control, and many other. You can also learn how to personalize the appearance of your desktop, back up your disks, etc.
An advantage of using this application is that it keeps a record with how much you watched from a video tutorial and lets you resume from where you left off.
On the homepage of the developer you can find similar programs that bring you video tutorials for previous or later Mac OS X versions.
To sum things up, Video Guide To Lion is a helpful utility which comes in handy to new Mac OS X users. You don't have to pay to use the program, therefore, I can't find any reason why you shouldn't give this app a try.