Here are the pre-release Pictures from Pokémon Ranger - Guardian Signs. Click the Link to view the picture:

13/01/10
Bellossom is selected as the PokéAssist against Swampert
Bellossom is selected as the PokéAssist against Swampert
Bellossom is selected as the PokéAssist against Swampert
Deoxys Attack Forme
Deoxys Defence Forme
Deoxys Normal Forme
Deoxys Speed Forme
Riding on Entei
Riding on Raikou
Riding on Raikou
Riding on Suicune
Flying on Staraptor
Group of Pokémon
The Pichu of Oblivia led by the Ukulele Pichu
Meeting the Pokémon Nappers
Selecting the Gender
The Stat Screen
Tyranitar in Multiplayer Mode
Meeting People in Multiplayer mode
Walking with your Pokémon
15/01/10
Walking with your Pokémon in Snow
Walking with your Pokémon in a town
Walking with your Pokémon in a Volcano
Capturing a Teddiursa in Multiplayer
Getting a Quest
Getting a Quest
Getting a Quest
On a Quest Underwater
Meeting People in Multiplayer mode
Eevee comes after being called
Diving Underwater
Finding Stantler
Capturing Stantler
Capturing Stantler
Finding a Ranger Sign
Drawing a Ranger Sign
Meeting Murph
Meeting Professor Hastings
Finding a Log that needs removal
Putting out a fire
22/01/10
Articuno is awakened
Articuno, Zapdos & Moltres fly to the fortress
Pichu is attacked
Ukulele Pichu is Captured
Many Pidgey
In a dark cave
Pokémon Assists
Gliscor's Assist against Luxray
Eevee's Assist against Ampharos
Empoleon's Assist against Typhlosion
Blaziken's Assist against Metagross
Ukulele Pichu is ready
Ukulele Pichu has a musical assist
Gligar and Sandslash destroy a door
Shelgon and Furret push a boulder
Huntail destroys a grate
Hitmonchan destroys a boulder
Entei's Ranger Sign
Suicune's Ranger Sign
Latios Ranger Sign
Entei blasts through some rocks
Raikou jumps onto a submarine
Latios flies away
Multiplayer Challenges
Piplup & Metagross
Four players unleash simultaneous Assists
Metagross is captured in the Special Square
Going Underwater
Flying Away
Chasing Manaphy's Egg
15/02/10
Articuno is found
Zapdos is found
Moltres is found
Heatran is found
Shaymin is in trouble
Follow Shaymin in the sky
Recovered the Manaphy Egg
Finding the Manaphy Egg
The Lists of Assists
19/02/10
Celebi takes you into the past
Celebi in the past
Multiplayer Mission Complete
Finding some destroyed ruins
Destroying a pillar in the past
Riding on Entei
Flying through a storm with Latios