The add-on adds the ability to set a user avatar during registration.
Setting an avatar at registration
Requirement to set an avatar upon registration
This simple addon will allow you to set which usergroups have the permission to upload gif avatars. Gif avatars are typically animated and many admins don't like all users to have them.
This is a screenshot of the usergroup setting:
If a user tries to upload a gif avatar, and they do not...
This add-on sets the avatar of offline/invisible users in posts and conversations to a transparency level you set in Style properties.
NOTE: There is no guarantee that this will work with other add-ons that might change the avatar for users.