Site is down?
Having done a video on our own [2] I know how much work in involves. It is amazing what you can do nowadays with tools like Videoscribe/Illustrator etc.
Another option is to seek people of Fiver to do it. But that only works if you have standardized image/doodle requirements.
[1] http://webcache.googleusercontent.com/search?q=cache:SyWfaIO...