Henry Wright

This WordPress plugin will generate a default avatar for each user. Each default avatar is likely to be unique.
<h3>Requirements</h3>
You will need to compile PHP with the GD library for this plugin to work.

Default Avatars

Fun default avatars for your WordPress site.

Web Guy

Allows users of your site to set custom profile pics from the local media library.
Set a profile pic under: Users > Profile > Profile Picture > Select Profile Pic

Local Profile Pics

Allows users of your site to set custom profile pics from the local media library.

Default Avatars vs Local Profile Pics