Printage - Print your photos on gorgeous tiles
Lalalab - Print photos from your iPhone
Artifact Uprising for iOS - Create beautiful photo books and prints
UnfoldPrints - UnfoldPrints is an app that allows you to make photo collages and order them to print.
Sprocket Printers - Create instantly stickable photos in seconds
Picta Photo Print - Picta Photo Print is an app that allows you to place an order for online photo prints.