How do we set up the user avatar so it replaces that generic user icon in the header? I noticed the image is pulled from the Gravatar.com site, but I first assumed it pulled from the user's contact image. Do users need a Gravatar account to have an image show up?
gravatar works based on your email address, so if your joomla account's email has a gravatar, it will show. In future released we will probably add support for other avatar sources such as jomsocial and k2,.