-Try handing out disposable cameras, cheap ones, to about 20 or 30 of the guests and instruct them to try their best to get as many photographs of they can of the whole wedding. You can buy these cheap things for like 10 bucks a pop just about anywhere, send off the cameras to be processed.
At the same time, go around and do your own video shooting; won't have to stress as much because you've got 30 odd people shooting with you to cover what you miss! 
I'm not sure how you work, these are all just ideas, I've got no idea how you would price something like that. Maybe cover your own costs of the video and the buying of the disposable cameras plus the processing charges. Up to you really
Or
Have a nude wedding ! That's always a great laugh.