Tellagami already has some partners, like Universal Studios and Getty Images, and is in conversation with many more, to make branded customization packs (which I assume will be available for free) that will contain clothing, props, backgrounds or other objects (sound effects would be cool) that can be used in gamis.
Art-O-Matic teaches beginners about 3D objects, and advanced users will appreciate its capabilities to add lighting effects and adjust image attributes.