Dr; Jean has a great "Number Stomp" song on her Just for Fun CD. Here's a book to download for free that goes along with it. (I am ordering the CD, but I think I'll go ahead and chant this song with my kids in the meantime.)
Cassandra Joss' lesson "ZERO ZERO Superhero!" Objective: Students learn how to recognize and write the numeral zero. Big Idea: Cookie Monster kicks this lesson off to explore the number 0. After some hard work during independent practice, Kindergartners meet Zero, Zero Superhero.