Jing is a tool that allows you to take screenshots, annotate your images with movable vector markup and record up to 5 minutes of video/audio. You can use either the screenshots or the video in SWF format.
Jing works on your Windows or Macintosh as an easily accessible desktop icon. Fast powerful and easy to use, it can also be extended using Snagit and Camtasia Studio, two more great products from TechSmith [http://www.techsmith.com]
Jing is free software.