Jing

Jing
      Jing is a free screenshot and video program. It is really easy to use and makes taking screenshots super easy! With this program you can take screenshots and save them wherever you wish as well as uploading them to different places. In addition, this program can record audio and video, allowing you to narrate an instructional video using different screens on your computer. A very useful tool in explaining how to use different technology programs in the classroom.
      http://www.techsmith.com/jing.html?gclid=CPGhgaODtLICFeuiPAod9VgA8Q