This plugin allows to insert into contents, typically comments the public avatar (photo or other) of its author.
It has an avatar provider implementation to recover them from the site Gravatar.com.
The implementation is defined in the file avatar_context.xml. The default implementation is based on Gravatar.
Default avatars are defined in the file gravatar.properties
# avatar properties file
#######################################################################################################
# Default values
#
# mm: (mystery-man) a simple, cartoon-style silhouetted outline of a person (does not vary by email hash)
# identicon: a geometric pattern based on an email hash
# monsterid: a generated 'monster' with different colors, faces, etc
# wavatar: generated faces with differing features and backgrounds
# retro: awesome generated, 8-bit arcade-style pixelated faces
# blank: a transparent PNG image (border added to HTML below for demonstration purposes)
avatar.gravatar.default=mm