Real helpful phpnuke script if you want to have a form to have visitors or only members upload files to your site and a e-mail notification will be sent to you with the persons e-mail, file uploaded,and message.

You can find it at

http://www.webminhosting.net/modules.php?name=Downloads


You can also see a demo at

http://www.webminhosting.net/modules.php?name=Upload