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

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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