As a former CM I would like to say is don't be afraid to ask us for anything. Perfect example, I have seen many a family miss out on a really awesome photo op when there wasn't a photopass location around cause they had no one stop to take a picture for them nor did they ask a CM to take the photo for them. We will GLADLY take the photo for you (provided we're not terribly busy) and we will do anything to help. I also like suggesting some awesome hidden magical moments and of course I like to also share my favorites that I have in each park.
Another tip I have for my fellow DIS'ers is to just relax and be patient. Its vacation, enjoy it! No use stressing and crying over spilled milk, if something doesn't pan out, don't freak out, there's always a little sprinkle of pixie dust at the end of your tunnel. And sometimes, depending on the moment, at the end of that pixie dust is a Cast Member. I have a moment of sprinkling some pixie dust, I worked at the BBB in DTD and I was going out to pixie dust in the World of Disney and I noticed a princess walking around the store who got done up in the Boutique and her Fairytale Princess bun was falling out (as in she had it done that morning and it was already falling apart) and I said to her "Princess, my goodness. Stitch just flew by, bottled up all the magic in your hair with a straw and ran away! You can't go to the royal ball without magic hair. We must fix it before its midnight!!" She was with her mother and the mother looked at me and said "well you heard your fairy godmother, what're we to do!?" Now on this particular day it was a rather busy day in the boutique but I decided on my own accord to shuttle this special princess into the boutique and back into the chair to fix her hair. As I fixed her hair, me and another fairy godmother proceeded to sing to the princess as we fixed her up. We sang part of your world together and got applause from everyone in the boutique and from everyone in World of Disney who were within hearing distance. Once I was finished with her hair and I had turned her around in the mirror, she smiled into the mirror and she looked at me with the same smile on her face and said "Thank you Fairy Godmother. I feel absolutely ready for the ball. You made me feel beautiful!"
With a hug and a wave she was off to the ball. And at that moment it was little moments like that that made me happy and proud to hold the title of cast member.