Fantastic as Youtube is, one drawback is that you cannot easily download the videos. Especially if you are a teacher, and you have fashioned an entire lesson on a couple of Youtube films it can be quite frightening if all of a sudden the videos have been deleted. In that case it's always good to have a backup. This tutorial video shows you all about it -mind, it does involve more than just downloading. Most likely you'll need to convert your video too -don't worry, though, just watch the video!