Blog Header
Big Huge Labs has a blog header generator so that you can use any photos you have taken to create your own blog header. It works on Wordpress blogs so it should work with edublogs.
Create a custom blog header for your Wordpress 1.5 or higher blog with your own photos. Just choose or upload a photo and then download your new header graphic.
Here is the link if you want to go ahead and give it a try!
