I need an expert to integrate paypal to the "buy now" links/buttons for music download. There will be an option to buy the full CD or download individual songs. The frontend is done. I need someone to integrate everything from clicking the "buy now" to downloading the media file. Also, the download link needs to be encrypted so that the media files are protected from wide release of the download link. Only bid if you've done this before. Show sample of your work. I need it in two days.