The "backpacker" diet is incredible for losing weight. Getting out and about, walking tons, and limiting snacking caused me to lose 15 pounds while traveling around Southeast Asia.
Good luck on the next journey! I'll be focused on getting ready for my wedding next Fall.
I just got fat while I was travelling :p I just ate massive bowls of cheap noodles and pasta all of the time! Good luck with your wedding - I am getting married September 18'