Here you'll find pics from Sega, Archie Comics, and screen grabs from the Sat.am cartoon show. Basically, anything from the pros.

Sonic in the Roboticizer
Top view of Sonic in the Roboticiser
Bunnie
Nicole
Sonic and a Power Ring
Sonic and Sally kissing
Sally and Bunnie
Mecha Sonic vs. Mecha Knuckles!
A Recipe for Disaster!
Mecha Sonic vs. Bunnie!
Sonic, Knuckles, and Tails
Sonic reaching for a Ring
Sonic Blur
Sonic & Tails
Sonic leaning on a todom poll thingie
A really kewl pic of Knux!
Sally posin' for ya!
Knuckles running
Sonic gone polygonal!
Sonic running
Sonic in 3D
Sonic in a classic pose
Another pic of Sonic and Tails
Tails
Bunnie sitting on a bed
Bunnie and Sally surrounded by a red light
Bunnie and Sally frozen in ice
Same pic as above, different angle
Different angle of the two pics above
Bunnie's got mail
Tails just walking along
Sonic running
Amy's new look!
Sonic's new look!
Big the Cat
E-102y
Robotnik's new look
Knux gliding
Sonic in a hot place!
Lookie! It's Ice Cap!
Knuckles' new look!
Screen shot of Amy
Sonic walking on the beach
Big the Cat walking past some people
Screen shot of E-102y
Knux walking in front of a casino
Knux walking at night
Sonic running some more
Sonic running past some people
Sonic! Watch out for that car!
Sonic holding a newspaper
Sonic walking
Sonic in a toystore
Pic of Bernie
Pic of Bernie with an odd look on her face
Bernie taking off her pack
Bernie setting up something
Bernie climbing a latter
Bernie looking worried
Rob O' the Hedge
Ducly with binoculars
Ducly posing
A pic of Ducly's back
Ducly crying
Ducly surrounded by musical notes
Mecha Sonic with Sonic's shadow
Another pic of Sonic and Tails
Sonic dressed as Santa with a couple of chao reindeer!
Group xmas pic of Sonic, Tails, Knuckles, Amy, and two cute chao!
Sonic as a DJ
The Sonic Adventure Logo
SA pic of Sonic
Tails taking a nap. He's so adorable!