gistfile1.php

$feed = $this->get('feed_parser'); // This is just a SimplePie object
$feed->set_feed_url('http://feeds.feedburner.com/lolcats/rss');
$feed->init();
$items = $feed->get_items();
$item = $items[array_rand($items)];
$item = $item->get_content();
$item = substr($item, 0, strpos($item, 'Posted by'));