Everyone who knows me knows that I love a good theme, whether it's for a party or anything else! I offered to host a child's adoption party recently, and he requested a Harry Potter theme. Here's how it all turned out: I used bulletin board paper to create "Platform 9 3/4" for the guests to enter the party. The scrolls said "Welcome to Hogwarts" and listed the "Wizards' Homework" (essentially a list of activities at the party that I didn't want the little ones to miss). Voldemort's snake…