Unlock the following pictures during the ending sequence by performing the corresponding task:

ENDING PICTURE - HOW TO UNLOCK
Risky Boots on her pirate ship - Complete the game in more than two hours with all 34 items.
Rottytops - Complete the game in less than three hours with all 34 items.
Shantae - Complete the game in more than two hours with less than 34 items.
Shantae in a bikini - Complete the game in less than two hours with less than 34 items.

To gain 100 gems, download the Mighty Flip Champs DSiWare game. Then, go to the Import Room and talk to the woman.

To gain 200 Gems,  have a completed Mighty Flip Champs saved game or have a saved game with an "S" rank on all levels in Mighty Flip Champs.