This is a green effect that is able to replace the green color with any background of your choice, To perform this effect you must have a photo with a green background and photo with a background to replace the green. Both must be uploaded as How to Order Tab.
In the case you don't have any photo with green background you can send any photo as per link (replace background).
Soon we offer a photo home service included also: [Photo Passport]
See sample Before and after here: