Twitter-icon.com has a great selection of twitter icons and buttons.
Site: lenust.ru (Юридические услуги в Санкт-Петербурге, адвокат, регистрация и ликвидация предприятий в СПб, бухгалтерские услуги, аудит, перерегистрация ООО в 2009 году)
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!