file upload script modification

i have a file hosting script like [login to view URL] and [login to view URL] and i want to add following functionality. ability to remote upload (grab files from other url) upload files via ftp - i can upload files via ftp and it automaticall show up in admin area as downloadable file Multi-Server support - i can add more serveres easily URL Leech - Leech files from RapidShare/MegaUpload/NetLoad/HotFile Make my script secure Only experienced and professional programmers are required, if you're newbie please stay away. My budget won't exceed 100usd