It's quite similar to guitar solos, only with programming you have to use your brain. The most important thing is that it should have some emotional effect on me, rather than just, 'Oh, that's really clever.'
Memory is very important, the memory of each photo taken, flowing at the same speed as the event. During the work, you have to be sure that you haven't left any holes, that you've captured everything, because afterwards it will be too late.