This poster is great because it shows that praise is useful in the correct situations and when it is the correct type. Also being there for students in other ways is another way to motivate them since students are more than just what you see at school.
Anti-bullying activity: Group activity using toothpaste, a plate and toothpicks to demonstrate how you can't take words back. Love this! Mrs. O Knows: Did I Just Leave The Dollar Tree With That Many Bags?