Go Get A Blavatar
“What-atars?” you say. Blavatars! Blog + avatars.
Your blavatar automatically becomes your favicon: the little icon that displays next to your blog’s URL in a browser’s web address bar. It’ll also show up next to your pingbacks in the comments section of other blogs.
To get a blavatar for your blog, just go to Settings in your dashboard and upload an image as your Blog Picture. After you upload, you can crop as you like. Save and you’re all set.