Here are all the known Pictures from Pokémon Mystery Dungeon. Click the Link to view the picture:

Red - Squirtle & Charmander on a Quest
Red - Blaziken & Charizard in a Lava River
Red - Torchic & Totodile
Red - Chikorita & Cubone
Red - Squirtle Meets Charmander
Blue - Blaziken & Magmar
Blue - Squirtle, Bulbasaur & Nidoran
Blue - Is this Underwater?
Charmander is shocked that he can understand Pokémon Speech
Charmander & Chikorita against Rattata & Elekid
The Rescue Force come upon a building
This other Rescue Team is way out of our league
Charmander meets a Dugtrio inside a building
Charmander & Chikorita find some Berries
Voltorb has joined your Rescue Force
Rattata has joined your Rescue Force
Squirtle & his Partner Pikachu
Totodile Uses Bite
Pikachu uses Thundershock
Squirtle uses an item when against Baltoy
Squirtle & Pikachu against Tyrogue
Has Charmander evolved?
English Release Screen: Inside the First Dungeon
English Release Screen: In the Mt. Cleft Friend Area
English Release Screen: By Your Base
English Release Screen: The Pelipper Post Office
English Release Screen: End of the Second Dungeon
English Release Screen: Entrance of the Second Dungeon
English Release Screen: Pokémon Square
English Release Screen: Your Base
English Release Screen: Help Find Caterpie