Here’s the description on their website:
Fotobabble lets you create talking photos in two clicks. Simply upload a photo and then record your voice directly through your computer to create a talking photo. You can easily share it by e-mail, Facebook, Twitter or embed it into a blog or website.
It’s free and all completely web-based. No software to download, just register and get started in seconds.
Here’s an example Fotobabble found on the website that we embedded into this post: