The black contrasts with the back ground and the skin tones. 16 Do's and Don't to Photograph Large Groups - Click it Up a Notch
There are some nice ideas for large group shots like weddings or, family reunions etc.
Throwing a Family Reunion - Martha Stewart Entertaining
Breakfast Scramble - one of 10 great Minute-to-Win-It games. Perfect for family reunions, parties, or youth activities! Minute to Win it
Fun with picture frames. Different take on the photo booth idea that so many are doing
Family history photo swap is one of the top 10 family reunion games. Visit HowStuffWorks to discover all of the top 10 family reunion games.