get the word out about your videos. You can get a pack of 50 free cards. You can also have more than one image in your card set that come in your pack.
This is a wonderful idea. Moo helps you get the word out, and you also invite people to YouTube who may not know about your work.
Yes, believe it or not, there are people out in the World of Matter who don't know about YouTube. Don't you think they need to know?