I like the RokNewsRotator too and i want to use this fantastic module in my websites. Can I use it without permissions, because i found this syntax in the PHP file from the RoknewsRotator module:
<?php
/**
* @package RokLatestNews
* @copyright Copyright (C) 2007 RocketWerx. All rights reserved.
* @license
www.gnu.org/copyleft/gpl.html
GNU/GPL, see LICENSE.php
*/