I assissted this fine lady in St. George, Utah, on Saturday, at what turned out to be a paticularly interesting wedding.
First off, the rules of the park where it was held stated that any given spot is first-come, first-served. And a dive group had taken the location of the wedding, resulting in them surfacing right in the middle of the ceremony.
Second, it was held at midday in the middle of a desert, by a lake. The light was insane, I wound up with a nice even sunburn down the right side of my face. Nice one. It also made getting a shot difficult at best. I resorted to shooting full manual, adjusting aperature to match the light, and using fill flash where possible.
Third, I dropped and subsequently bricked my flash gun. It has to go away for repair when I can afford it.
Fourth, after some very heavy processing I did manage to get a few great photos: