It's fair to say that most of us want to give back when traveling. But how? When you visit someone's home for dinner, you bring along a little something for the hostess. It is, after all, the polite thing to do when someone opens their doors to you and invites you into their personal space. The same premise applies to tourism. Everyday thousands upon thousands of travelers enter foreign countries in an attempt to soak up a new culture and in return they are welcomed with open arms by their …