CM Download (CMDM) - Users - Gravatars
The Pro version of the CM Download Manager plugin supports Gravatar icons. The Gravatar icons are displayed beside a poster’s name. To enable this feature, you will need to adjust the plugin settings.
First, navigate to the General tab in the plugin settings. Scroll down to the Appearance section, and make sure to enable Gravatar photos if you would like to take advantage of this feature.
When a user had no image defined in Gravatar, the mystery man icon appears: