I couldn't find a previous thread, and it's been great in the AOTC movie section, so ta dah!
ON THE DEATH STAR
Leia: "Tarkin. I thought I recognized your foul stench when I was brought on board."
Tarkin: "What? I was going to free you, but since you were so mean to me, I'm going to blow up your homeworld!"
ON TATOOINE, CHALMAN'S CANTINA
Han: "I'm Han Solo, captain of the Millenium Falcon."
Luke: "I'm sorry; the Millenium what?"
Luke: "Don't you mean 'faal-cun'?"
Han: "Hey, it's my ship. I can pronounce it anyway I want to!"
Luke: "Now he's using a preposition at the end of a sentence! Ben, we don't have to sit here for this!"
Han: "This is why I hang out with Wookiees..."