We need a system, similar to [url removed, login to view] or Megaupload.com. If you have a demo of such system and can modify it in according to our requirements, please PMB. We have a graphical design and need only implementation of functionality using PHP.
6 freelancers are bidding on average $929 for this job
I can do this project for you... Complete with backend timer validation and per-session file copying - The files will not be accessible on the web until the timer has completed :)