In general, don’t feel pressured to pick a theme out of thin air just for the sake of throwing the wedding of the century. It will feel forced and you two may grow to regret it in the future. It’s very easy to get carried away with all the nerves and excitement. So you want to make sure that your theme is incorporated in simple and understated ways. This way it will be timeless and elegant and it won´t look horrific when you show your children one day.
Also Enjoy: Alternative at the Altar: 15 Ways to Have a Non-Traditional Wedding