Twitter-icon.com has a great selection of twitter icons and buttons.
Site: cresecure.com (Welcome to CRE Secure - CRE Secure)
CRE Secure, the only online payment system that complies with PCI security rules, provides a hosted checkout page that instantly mirrors a retailer’s website design.
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!