Looking for a simple and inexpensive centerpiece?  Try using silk petals and candles.   The petals will help to incorporate your wedding colors, while the candles create the ambience.  Shown here are inexpensive tealights in votive holders.  Try adding place settings or just the drinkware to the table.   By including your guest favors and programs, you have a complete tablescapes at a fraction of the cost.  Another alternative is to find a company that rents candleholders or centerpieces.