Place votives on some or all of the tables to give the room a romantic feel as the lights are dimmed throughout the evening. The candles will also be a nice touch for all the pictures taken. Scented candles are a nice option as well.
Make cookies on a stem, wrap them in cellophane and secure with a bow. (This is not as hard as you might think) Use them for your table centerpieces by inserting cookies into decorated flower pots. Craft stores have necessary "tools" to make the cookies.
Candy Centerpeice — purchase some glass jars from a local craft store and fill with Jordan Almonds, M&Ms, mints, or whatever you have in mind!