visual effect plugins

can any body give some liks of free visual effect plugins for adobe photoshop

<http://www.freephotoshop.com/html/free_plugins.html> < http://www.pluginz.com/index.php?genre=3&category=7& type=2&from=left> < http://photoshop.pluginsworld.com/plugin.php?directory=adobe &software=photoshop&category=0>
<http://www.thepluginsite.com/products/>