I'm a firm believer that extra images (seconds) from a photo shoot should be saved. For a while at least or until you know you will never need them. The reason I stand on this is that seconds have proven to be invaluable on many circumstances in my past. Often it's a client preferring one of my seconds rather than the image I picked. The other common circumstance is the need to use some element from one of my seconds to fix an issue with the principal shot. Just recently I found myself in a situation where I couldn't decide which of two images was the keeper and which was the second. In the end I decided they would both be my seconds. Here's what I mean.