In honor of Hanukkah Dave inspired me to write a post on lighting.
Do you know how celebs look great in photos? It's because they're lit well. Lighting can make a difference in the way you look in a photograph and can also help the mood in a ceremony and reception space.
Ask your location manager what lighting is provided by the venue - dimmers, pinspots, etc... And then talk to your florist about what additional lighting you may want to bring in via a lighting company.
Of course bringing in a lighting company will add to your budget, but asking won't cost you a thing so get all the information and then make a decision. It might not cost as much as you think and to cover the additional costs you can pull money from another area of the wedding budget to cover it.