Creatively folded napkins will not only boost a banquet's visual impact, they can help strengthen a theme, according to Jill Lazar, a principal of Everything Events, based in Providence, R.I. (401-868-4498; everythingeventsco.com). For those with time and patience, go online to learn how to fold anything from a boat for a nautical theme to a bird of paradise for a tropical dinner. For everyone else, ask your catering manager to do something out of the ordinary -- even a small flower tucked into a fold can make a big difference.