The Martha Stewart one is funking hilarious, when she's chopping something and Conan asks her about the crime she committed and tries to ignore it, then out of nowhere she turns into a devilish person (devilish = Micheal Jackson
But the Arnold Schwarzenegger one is the best here's a quote:
If you give a man a Jingle. Then he'll Jingle for one day.
But if you teach that man to Jingle... THEN HE'LL JINGLE ALL THE WAY!!!