Form and content are not that easily separated. For instance, I like #15 (a bit), because the typography fits the message.

Instead, I'd suggest you focus on design that reinforces, ideally in a humorous way, the message of the slogan.

I feel strongly that "Please Provide an Example" ought to have the word "example" consist of hairy green ball things, in homage to Fenyman's famous explanation of how he would debug math or physics claim by turning abstract concepts into imagined examples.

"I notice I am confused" could play on a classic "magnifier" icon in the word "notice", and jumble up the letters of "cnfosued", or mess up their typography.