Content Manager/ Uploader to existing design

I have an template which was just designed. Now i need an uploader which will add products to my site along with a description ,Photo (needs to thumbnail pics), Also i need to attach a pdf spec sheet to each product as well which will be availible for the end user to download. I also need it to add price of product and it will also add paypal purchase to it aswell on upload. Also the details need to be editable after they have been uploaded aswelll. 1. NO FEEDBACK DONT BID (YOU WILL BE IGNORED) 2. COPIED AND PASTED RESPONSES WILL BE IGNORED