If you created your Photo Cards without a book, you can change the photos, delete and add more. Check here for more detailed explanations.
After the photo cards are created, you can click on the 
button in the top left corner of the screen and you’ll be redirected to the editing page.
On the editing page, you can click on the photos to remove them from your selection, the only photos that will be in your Photo Cards have a purple checkmark.
If you would like to add more photos, you can click on Upload Photo to select more to be added to your Photo Cards. After adding and selecting which pictures will be made into Photo Cards, just click on 
in the top right corner of the screen.
If you have any questions, please don't hesitate to contact us!