http://plugin.thewebtrainer.com: Installing WordPress on HostGator with Fantastico is a simple and quick process.<br /><br />But the team at Hostgator thought they could do better. So they created a script installer called "Quick Install" that, we feel, works much better. Besides it's obvious cleaner and more user friendly interface, it seems to install most of the script without any trouble. Check out the blog post here: http://thewebtrainer.com/word-press/how-to-install-wordpress-on-hostgator.html
