Twitter-icon.com has a great selection of twitter icons and buttons.
Site: whatis.techtarget.com (WhatIs.com definitions, computer terms, tech glossaries and cheat sheets - We are the leading online tech dictionary and encyclopedia)
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!