Twitter-icon.com has a great selection of twitter icons and buttons.
Site: socialribbongenerator.com (Social Ribbon Generator - Generate Click-Attracting Ribbon Ads That Invite Your Visitors To Join You On MySpace, Facebook,Twitter or YouTube)
Generate customized ribbon ads that invite your visitors to join you on Facebook, MySpace, YouTube or Twitter
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!