It can't get much crazier than this
. That is, assuming interesting might also mean crazy. Since you are a powerpoint professional and English is a problem, the best way to showcase your topic would be using visuals that convey the meaning instantly. I wouldn't risk being too graphic in a class which I do not consider safe and supportive, though.
On Channel 4 (UK) there is a funny programme called "Will my crash diet kill me?
" If the link doesn't work outside UK, youtube has some episodes so capturing some screens and mixing them, plus google should do it. Good luck! :)