This script will make things go random. Like if you have several banners for your site and want them to rotate this script is perfect. You can replace the links and images to whatever you want like text.
Start by making a .php file like this
PHP pastebin - collaborative debugging tool
Save it as rotation.php. Make sure it have the .php at the end.
Now at the top of the page where the rotation is gonna be, put this code
PHP pastebin - collaborative debugging tool
!! The site you are gonna put this on need to have .php at the end to work.
Put this code where you want the image, like at the bottom or whatever
PHP pastebin - collaborative debugging tool
]It's not much harder then that. Every time you update the page a new image will appear.