Fotobabble is a free service that allows you to quickly turn a picture into an audio picture story. Using Fotoabble is easy, just upload an image to Fotobabble, allow Fotobabble to access your computer’s microphone, and start recording your voice. You can comment on your photo, explain what’s happening your photo, or tell a story related to your photo. When you’ve completed your recording you can save it in your Fotobabble account, contribute to a public gallery and or embed it into your blog.
http://www.freetech4teachers.com/2010/06/fotobabble-turn-pictures-into-audio.html