What are some alternatives?
When comparing ConceptKicker and Printed, you can also consider the following products
Art Bloom - Canvas prints designed by independent artists.
PIKLIP (Beta) - Mess-free reusable photo-stickers
Artstarter - Kickstarter for unique art!
Prynt - Turn your smartphone into a Polaroid
Mapiful - Create & order custom printed maps of your favorite places
Memento - Memento is a personal database that allows you to store all personal data in one place.