450272 penny auction script with added fetures needed

i am looking for a penny auction script like swoopo with those fetures acept with added fetures such as downloadables where when an auction is made you can attact a file and when person wins and pays once done paying they have a download place. Also i wanted to add something such as where members can create their own auctions too where members who bid on well members auction have to still buy bids and i get money for that but a member can make a auction and input their paypal email they will make that money ill make money from bought bids. but members auction will be in navagation bar saying like members auctions. i want timers to work and such to i would also like a forum added into in