Once you reach the Blue Mushroom house in World 3, you will be able to view photographs you've seen throughout the game. You are also able to save any photograph you have to your SD card so you can view them anytime you wish without the need of your game cart. To add more photos to your album, complete the following tasks.

Unlockable	How to Unlock
Photo #10	Beat the game as Luigi.
Photo #11	Unlock Special World.
Photo #12	Complete Special World, then beat the game.
Photo #2	Complete World 1.
Photo #3	Complete World 2.
Photo #4	Complete World 3.
Photo #5	Complete World 4.
Photo #6	Complete World 5.
Photo #7	Complete World 6.
Photo #8	Complete World 7.
Photo #9	Beat the game as Mario.