There is a great interest in heading modifications. One being adding an image. In this instance, the image is your own logo or header that you can make online at Custom Blog. There are several different fonts and font styles, plus different colors to choose from. Most of them are so-so, but you can make a pretty decent one if you try. Here is one I made that didn't turn out too bad:
After you make a new header image, see
EDIT: it was brought to my attention that the Custom Blog link is no longer active.