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LED Not Lighting Up? Answered

I was able to correctly wire LEDs during the previous lesson, but this time my LED isn't lighting up. The two small lights on the Arduino Uno board are light up. When I push the switch the one of the left turns off, which I think means it's working and by pushing the switch I am breaking the circuit. Will you please take a look at my photo and tell me if you can see where I miswired my board?