For all commenting users that don't have a not signed up for a Gravatar account, the plugin will generate a comment picture based on the name used in the comment field.
By default, the generated avatar is just black text on a white background.
Unpack and upload it to the /wp-content/plugins/ directory.
Activate the plugin through the 'Plugins' menu in WordPress.
· WordPress 2.6 or higher
What's New in This Release: [ read full changelog ]
· Increased performance by sending the URL for the auto-generated display_name to gravatar.com as the d parameter instead of checking for a 404 on every gravatar.