I've seen some really bad ones that have made me laugh pretty hard, and I assume you guys have to. Post a picture of the spot or paste the link or whatever.
Originally:
"[This is] the one you're going to blow through. Using an ordinary balloon, cut the balloon in half along the crease..."
According to YouTube:
http://www.youtube.com/watch?v=zgQGe2-p9tU0:22