The theme was basically that drinking milk will make you hot or beautiful once you grow up. I never drank milk growing up, just didn't like the taste. I'm all grown up now, and well, I'm far from hot. My cousin, on the other hand, she drank milk by the gallon. She's now a successful lawyer, very hot and very wealthy. Hmm... Truth.
Here's one I found ... PS In retrospect, I realize many of the kids cast in these commercials have Long Island accents.