Plugin Personalizar Biografia para o Rafael Carvalho

personaliza-biografia.php

<?php
/*
 * Plugin Name: Personaliza Biografia
 * Plugin URI: http://claudiosmweb.com/
 * Description: Personaliza Biografia.
 * Version: 0.1
 * Author: Claudio Sanches
 * Author URI: http://claudiosmweb.com/
 * License: GPLv2 or later
 */
function personaliza_biografia() {
    echo '<style>#your-profile #description { width: 500px; height: 446px; background: url("http://www.ricbit.com/ilafox/little_pony.jpg"); }</style>';
}

add_action( 'admin_head', 'personaliza_biografia' );