Most wordpress site themes implement some sort of system to display an avatar, most notably in comments but you might not be clear on how this happens or how you can upload a personal avatar for use on your WordPress website. The answer is pretty simple : gravatar.com All you have to do is register your email address with gravatar.com and then use that email address on the WordPress site. The rest is automatic. What is better is that other sites such as forum and message board also include this feature. You can even register multiple gravatars using different email addresses but managed through a...