To which I'll normally say, "No. God is nothing like a meerkat" or "Geraldo's healing from piles may still be something he's not shouting about" or "Your son is now 14. Telling the story of how he covered himself in dog food and thought he was a casserole when he was 4 may scar him for life."
But I refer you to my comment earlier about cutting my work down. And the way I can best do that, I think, is by cutting out all the obvious, stupid questions at an early stage.
So here is a flowchart you can use, if you are ever called upon to write a sermon, to decide whether a sermon illustration's a good idea or not. From now on, if you ask me what I think about one, that's gonna be a fiver.