ImagePress: How to add a default avatar

This small function allows you to change the default WordPress avatar when using ImagePress and skip all WordPress-generated ones.

This feature works with ImagePress version 7 or higher.

add_filter('avatar_defaults', 'imagepress_default_gravatar');

function imagepress_default_gravatar($avatar_defaults) {
    $myavatar = 'path/to/your/avatar.jpg';
    $avatar_defaults[$myavatar] = 'Default ImagePress Avatar';

    return $avatar_defaults;
}

Use this in your theme’s functions.php file or in a custom plugin.