Twitter-icon.com has a great selection of twitter icons and buttons.
Site: whoisranking.com (WhoisRanking.com - Who Ranks The Web)
Whoisranking.com provides you with a Widget for your site which Captures Keywords for you and a Ranking Tool to display keyword results for SERP on different search engines.
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!