Provides a Resource and helper to easily get a user's Gravatar, which is a widely used avatar icon. From gravatar.com: "Your Gravatar is an image that follows you from site to site appearing beside your name when you do things like comment or post on a blog. Avatars help identify your posts on blogs and web forums, so why not on any site?" Services that use Gravatars include: CPAN WordPress Stack Overflow Ohloh OSNews Wakoopa GitHub