Seeking Tips for Traveling with a Toddler

Bambino is already a well-traveled little guy, but later this week we head off on our first international trip -- to Italy!! All you moms and dads out there: give me your best travel tips for taking a toddler on an international trip. How do you manage the flight? What do you do about jet lag? If you have blogged about your experiences, give us the links, too!
Ciao!