Twitter-icon.com has a great selection of twitter icons and buttons.
Site: cycleworld.com (Cycle World - cycleworld.com)
Cycle World is dedicated to the motorcycle enthusiast, no matter what he or she rides. Cycle World's first love is motorcycles, and always will be, whether they are on the highways, tracks, tearing across some unsettled expanse, or being used for everyday transportation.
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!