Everyone should review these videos. Although not all apply(i.e. orange flash hider in AZ is not required) it is still very good information for EVERYONE to know.
Basic Airsoft Safety:
http://www.youtube.com/watch?v=EYN1qrCMGEY
Airsoft Storage Safety:
http://www.youtube.com/watch?v=rF7hKWXcTkY
Airsoft Transportation Safety:
http://www.youtube.com/watch?v=06cJCYkCiME
Airsoft Game Play Safety:
http://www.youtube.com/watch?v=8rCJzv6YrwA
Airsoft Safety Talking Points:
http://www.youtube.com/watch?v=p0CH_K1VKnw