Good managers: what tips or strategies can you share that make you a great leader?

If you are a supervisor or manager who is respected by your staff and is able to lead your team to complete great projects, what do you think is the secret to your success? What makes you better than the next manager?

What kinds of things do you do to make your staff feel valued, appreciated, and motivated? What tips and strategies do you use with your employees? Big or small, simple or complex, lay it on me.