Here are some sites that are great for all teachers. Take a look and find something that will make you an even better teacher. ABC for Teachers is great for lower elementary school teachers! Don't miss the flashcards section. About.com has a tremendous site for educators.
The Language Resource Room is a collection of what I feel to be excellent sites with actual content. They are not collections of links to links and I hope they are helpful to you if I don't have what you're looking for. MES-Games - I have made some on-line FLASH games for students.