I got "All About Me" posters from Oriental Trading which the leaders would help the kids fill out. This helped the leaders get to know their kids better. We read the book "God Made Me" by Debra Stuckey which is SUCH a perfect book for small children.
For our snack time, I brought in undecorated gingerbread cookies and frosting and let the kids make self-portraits. This was kinda messy but a huge hit! Plus it gave us a chance to talk about how we are all different and special.