"Hmm. Sea picture, eh? I always wanted to do a sea epic. Now, Mr. Rembrandt, if you'll kindly oblige with a little appropriate scenery. *singing* Over the sea, let's go, men. We're shovin' right off, we're shovin' right off... again?"
The universally acknowledged 'changing the goalposts' extended metaphor is applied with a vibrant interplay between character and animator in this mini-meta-masterpiece. A frustrated Daffy usually acts as a catalyst for genius. Chuck Jones is a dab hand at orchestrating exactly that.
8 - I remember watching this one dozens of times in my preadolescence, not knowing a word of English at the time, and still finding it absolutely hilarious. That last bit in particular always cracked me up. Chuck Jones was a master of the visual gag. Fuck the fourth wall, too.