Lots of great ideas. I knew Spaceballs was a stretch, but the sight of that humongous vehicle with a bumper sticker saying "We brake for nobody" reminds me of JJ. I also think of him as Mel Brooks playing the Yoda-ish character talking about the purpose of the movie is merchandising.
HAHA! Throw Garrett From The Train. Don't forget to tie Linehan to him first. Blazing Saddles is filled with subtlety. Don't go for the Cowboy, go for the horse that does all the running. Throw Goodell from the train too!