Do you need a badge?
Know more about badges? http://openbadges.org/About/
You could copy and paste the image into your blog or website. You could make your own badge. You could ask for a badge of every teacher, presenter in this #Change Mooc to make a badge. A badge of every week.
What is the use of badges?
http://mynotegames.com/ does use “badges”, to teach to play a music instrument. Behaviouristic approach.