I just found VozMe on Jane’s E-Learning Pick of the Day. It’s a simple tool for creating an mp3 from text you type. Here is my last blog post as an mp3*! You can type in English, Spanish or Italian. There are also WordPress and Blogger Plugins so it can become a feature of your blog.
*I’m not sure how long VozMe keeps the mp3s for so I’m attaching it too: VozMeExample