Twitter-icon.com has a great selection of twitter icons and buttons.
Site: elanguages.org (ELanguages - home)
eLanguages is a free and simple-to-use tool for teachers to create their own projects with teachers in other countries. Motivate your students to broaden their horizons through fun and curriculum-relevant international collaboration using your own, structured, project space
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!