Recording and editing intructional videos

I recorded one more video this morning because Dr. Bogad had asked about editing out the "ums."  :)  I did one showing Camtasia, but Camtasia is quite expensive and that's why I ignored it in other presentations.  I haven't found a free alternative.

Here's the video on editing in Camtasia.

Here is the original video on Jing and the one on CamStudio and MovieMaker.