Template::plugin::gravatar is a configurable tt2 plugin for the generation of gravatar urls from email addresses.

please see http://site.gravatar.com/site/implement for more on the service interface and http://site.gravatar.com/ for information about gravatars (globally recognized avatars) in general.

all of the options supported in gravatars--default, rating, size, and border--can be used here. the gravatar_id is generated from a given email.