Twilight Utilities Web Server - description from developer:
Never Expires. Serving the internet has never been easier. Communications and file sharing simplicity. Webserver with integrated webcam. With webcam integration your friends and family can participate with you closer than ever. Share your photos and MP3s instantly! Comes complete with a series of scripts which enable users to see animated shots from your webcamera and also lets users post files to you!
Twilight Utilities Web Server is a "Free to try" program. You can download and try it for an evaluation period.