i. Generate a CSV - a comma separated values file - (the poor version of Excel...) containing the following 7 columns per each of the product you would like to upload -
1. name, price, description, category, SKU - define per product;
2. Image - the full path of the image for example: http://www.example.com/images/image.jpg.
3. url_key - the full path of the URL for example: www.example.com/iphone.htm
ii. Follow the instructions to Upload the CSV file to Facebook
iii. If you wish to import multiple product images, simply input the product image urls delimited by the ">" symbol in the image column. For example:
default_image_path > additional_image_path_1> additional_image_path_2> additional_image_path_3