Change the Tarski footer credits.

change_credits.php

<?php
/*
Plugin Name: Change Credits
Plugin URI: http://tarskitheme.com/
Description: Change the Tarski footer credits.
Author: Benedict Eastaugh
Version: 1.1
Author URI: http://extralogical.net/
*/

function change_tarski_credits() {
$credits_text = <<<CREDITS
	<div class="primary content">
		<p>Your credits text.</p>
	</div>
CREDITS;

	print $credits_text;
}

function init_change_tarski_credits() {
	remove_action('th_footer', 'tarski_credits');
	add_action('th_footer', 'change_tarski_credits');
}

add_action('init', 'init_change_tarski_credits');

/**
 * CHANGELOG
 *
 * Version 1.1
 *
 * - Use heredoc formatting rather than interpolating HTML with PHP.
 * - Remove use of <? PHP short tag.
 *
 * Version 1.0
 *
 * - Initial release.
 *
 */

?>