Gif: "I need help with making collages of stock photos for amazon listing..."

How do I create a collage of stock photos? I see my competitors have photos but I have created a unique bundle and have no idea how to create a professional photo collage from the stock photos I can get online. via /r/Cinemagraphs https://www.reddit.com/r/Cinemagraphs/comments/8ktoyp/i_need_help_with_making_collages_of_stock_photos/?utm_source=ifttt