I Caught You Being Good Jar- This would be a great way to encourage positive behavior. Fill the jar up and there will be a BIG surprise at the end. I would make the jar smaller so its an obtainable goal.
Corey Moore - This is a great way for young students to easily remember what to do when in line. It is easy for the students to understand the expectations, as well. Also allows room for creativity in terms of how to post it in the classroom.