If you are an anime fan, and perhaps even if you are not, then you might like a new poster about Scrum - in anime style.
As long as you find anime cute or something then seeing the different people involved in the Scrum methodology as anime characters might help you convey the ideas to others.
Click for hi-res version
Of course you might not like anime or you might be worried that the students or organisation might not like the style. If this is your worry then why not try the standard and very plain by comparison version of the chart:
You can download two versions of the chart as pdfs:
Both are provided by the authors of the Scrum Primer a free to download book - just visit the website. The posters are issued under the creative commons licence so you can make use of them in your own work.