Camtasia tutorials from Techsmith
Camtasia Studio allows you to record anything that you can view on your computer screen; including software applications, web pages, PowerPoint presentations, and much more.
Here is the link for some video screen cast and other information from Camtasia.
If you have not used this piece of software, I would suggest that you take a look. I saw a nice video that I published the other day and asked the creator what he used: It it a little little more that I would expected, but he does produce some nice screen cast. Here is the feedback from him.
