Under the Bun Burgers at a wedding? When they're petite patties of seared tuna topped with smoked salmon bacon, it's all good. The sweet tea “martini”: Chivas Regal Scotch whiskey, chivasregal.com, green tea and fresh lemon juice, served with a rock candy stick flying the couple's banner. “Rhythm” glasses, Crate & Barrel, crateandbarrel.com. Cocktails and hors d'ouevres created by Creative Edge Parties, NYC, creativeedgeparties.com.