collect product images

we have about 700 products for which you need to collect product details and images. it is very simple work 1) create an excel file with following column: product url, product title, product description, product detail(individual details of each product), product price 2) download images of the product. each product has between 1 to 5 images you have to download the biggest product image size for each product. so it is very important that you only download the biggest image available for each product you have to rename each image, based on excel product row. so if you are working on 5th row of product, then rename each image as 5.1, 5.2 etc it is very simple and easy work. we need it done in 2 days