-included in eg, a comment post via a template. Possibly included in a
-recentchanges page item via that template too?
-
-The avatars are provided by various sites. For email addresses, it uses a
-[gravatar](http://gravatar.com/). For openid,
-[openavatar](http://www.openvatar.com/) could used, but I am not very happy
-with it; probably better to just get the email via SREG (as is done now for
-openid), and use that. For a wiki username, the
-user's email address is looked up and the gravatar for that user is
-displayed. (Of course, the user has to have filled in their email address
-on their Preferences page for that to work.)