The 2 Minute Guide to Creating a FlipBook sunnyzoomin November 09, 2016 09:48 Updated Follow Related articles The 2 Minute Guide to Creating a Photo Mug How do I avail the free 6x6 Photobook offer? The 2 Minute Collage Poster Guide How do I get started? I’m getting a “Please fill all picture holder in the previous step to continue” message when I try to add to cart. What am I doing wrong? Comments 0 comments Article is closed for comments.