"If you're interested in making badges for a course/class you're teaching or for a workshop/tutorial you're offering, this post will give you the low-down on making a badge by hand." . « Billy Meinke's Blog
"This Challenge will walk you through all the steps needed to create a badge for P2PU. It will provide links to all resources needed, including Open Source software, font files, and initial templates. You will need a bit of creativity and a bit of patience if you haven't done any graphics work before."