Brian, I notice that you've shrunk the image a bit to fit in with your page layout, which is fine. However, it becomes pretty tough to make out the text since it's already very small. The fonts are pixel-based and aren't really meant to be resized. I can put together a custom image size for you if you like. I didn't have time to do more than the two banners I currently have posted, but I'm happy to take requests as I work on additional banners.
Everyone, let me know what you're looking for (even suggestions on content are welcome), and I'll put some new banners together this week.