I've been working on some projects with various Mommy Bloggers (update on that to come soon). They all ask for these things called "Buttons". Buttons are basically tiny ads that link back to your site. You see them all the time. In fact right now you see them along the side of my own blog. The key to these buttons is capturing someone's attention and making them want to click on it to see more. Let me tell you, trying to do that in 150px by 150px space is not easy.
This is what I have come up with:
And by all means -- please steal my button and add it to your own blog or site. Message me if you need the code.