No Intruding: It is proper netiquette to capture the moment with a photograph without ruining it by getting in the way of a good time.
Fast: It is proper netiquette to take public photographs quickly.
Good Shots: It is proper netiquette to make the subject of photographs look good.
There are things that people can do to improve the pictures other people take of them. Remembering to do them is something that everyone should do. Thinking about your online image when you take a photograph can help you smile.
Ask: It is proper netiquette to ask a groups permission before snapping a photograph.