How to use a semicolon, the most feared punctuation on earth. ~ The Oatmeal The Oatmeal does many awesome comics that range in topic. He also happens to love grammar, and I look forward to the day he publishes a text book.
Effective Instructional Practices (Task 27 Characteristics Of Highly Effective Teachers. This poster offers many different ways to be an effective teacher. This could be a nice reminder for things to do outside of just teaching them content.