Try BlogExplosion for a quick ability to promote more traffic to your blog.
Once you sign up for a FREE account, you get access to their tools (banners, buttons, ability to get feedback through a ratings system)
It looks good, so I'm going to try it for now. I'm also going to see whether I can view my own blog at work (at lunchtime, folks, I'm not wasting time at work). The current filtering system blocks free sites like Blogspot.