public function __construct($config)
{
$config['link'] = 'http://del.icio.us/' . $config['username'] . '/';
$config['url'] = sprintf('http://feeds.delicious.com/v2/rss/%s?count=%s', $config['username'], $config['total']);
parent::__construct($config);
$this->setItemTemplate('<li><a href="{{{link}}}">{{{title}}}</a></li>' . "\n");
}