Trip Report First trip with my 16 mo old!

My husband's cousin was getting married so we decided to take a side Disney trip with his brother's family. Overall the trip was wonderful but the heat made it just a tad miserable! It was so unbelievably hot! We just did two parks, Hollywood Studios and Magic Kingdom. I was very worried how my 16 mo. old daughter would react towards the characters and princesses. The first character we encountered was Daisy Duck and as she came into my daughter's view, my daughter immediately started waving and saying "hi"....I knew immediately that our trip would be fantastic! LOL! I have a question though that I posted in another thread......I had read a few days before our trip about "trading cards". I can't remember the whole story about them but the gist was that they were hard to get and only cast members gave them out. I had mentioned something about this to my husband and while we were at Hollywood Studios, my husband found a Wreck-it-Ralph card on top of a trash bin. He was like look what I found and I was like OMG this looks like a trading card. When we got back my husband was talking to a few friends of his that have been to Disney a few times with their families and they had never heard about trading cards. So are these things hard to get? I don't think we saw them in any of the stores that we went into either.