Thad and I use Camtasia to create our videos but at $299 it may be beyond the reach of many.

Until recently you could get Camtasia 3 for free. Well, that offer has now been withdrawn so here’s an alternative FREE program:-

Freez Screen Video Capture

I’ve only had a quick play with it a while back but it seems to do the job and saves your recordings as .avi files. Then just upload them to YouTube and add them to your blog or site.

(...read more: Free Video Screen Capture Tool)