What is GravatarGravatar is a free service that is globally recognized avatar service. By uploading a picture once, it connect you to Gravatar by your email address and is used wherever you go, when you write a post or leave a comment your avatar comes along for the right.
Go to www.gravatar.com to setup your new account in just a few seconds. Click on Signup button and submit your Email address.
After you click the activation link, another window will appear to complete your profile.