Email Button Tutorial
Also, the button generator site requests that you add a link to their site if you use their work, reasonably enough. I added the link in my directory folder, but you could place it right under the button if you like, just leave a space between the code, and copy/paste their link. It should appear right under your button.
"A size 2 is not fat! Nor will it ever be. And being a size 0 doesn't make you beautiful. To all girls with butts, boobs, hips and a waist, put on a bikini put it on and stay strong." -Jennifer Love Hewitt