When grouping candles, the decorators trick is to use odd numbers and vary the heights. This carries your focus throughout the display and makes for a more pleasing arrangement. For a table setting, arrange candles at varying heights along the length of the table, flowers or garlands can be placed in between. Flameless candles are perfectly safe so can be nestled in amongst foliage or garlands. They give a fabulous look without the worry of naked flames.