I used the stupeflix through google docs. It was very simple to create a video over music. You get one for free but after that you have to pay. It took me a while to figure out how to post the picture of it but I save it through publisher as a picture and then I was able to paste it on to the blog.
This was very easy to use. Wordle could be used to get the students attention. The students could also use it for vocabulary words or a closing at the end of the period.