Twitter-icon.com has a great selection of twitter icons and buttons.
Site: mrdiggles.com ("mr. diggles + you")
Mr. Benjamin Diggles: I am a dude from Portland, Oregon that loves most Internet stuff. I think everyone is insane and I am OCD... but I do celebrate passion.
Do you have a twitter account? If so it's important
to get as many people as possible to follow you.
Great follow me icon captures attention of the visitors
and brings more followers to your twitter account.
Choose great twitter icon for you website!