Recently I found an interesting article on the Smashing Magazine about CSS, HTML and JavaScript tools. The thing that struck me was at the very end of the article and it was referring to a blog called From Me to You. The remarkable thing about it, is that the author creates animated photos. Let me explain to you by showing the following photo:
Look closely at the tomatoes: there are drops of water falling onto them. Now that's an animated gif, isn't it? It weights 218kb, which is a lot. However there's a trick in order to create those animated photos, by keeping the weight lower and thus not wasting bandwidth.