When we spot a great photo waiting to happen, photographers often take many shots of the same thing to better their odds of doing it justice. But how often have you viewed your shots later and ended up with 5, 10, or 20 photos of the same scene or subject that are, well, pretty darn good! You can't put all these duplicates in your portfolio or your 'Favorites' set on Twitter, so you are left with the challenge of needing to pick your best photo from the set. How do you do it?