Ebay seller antear has a load of auctions of Transformers Movie concept art which feature all the characters. Many are of early versions of characters Here is a list of all the auctions
Autobots
Bumblebee
Bumblebee Weapon
Brawl
Jazz
Jazz Weapon
Ironhide
Ironhide 2
Ironhide Alt
Ratchet
Ratchet 2
Ratchet Weapon
Ratchet Alt
Optimus Prime
Optimus Prime Weapon
Decepticons
Starscream Weapon Mode
Starscream
Frenzy
Bonecrusher
Bonecrusher Weapon
Blackout
Blackout Weapon
Blackout 2
Blackout 3
Barricade
Barricade Weapon
Barricade Alt
Barricade Alt Weapon
Scorponok
Scorponok Weapon
Megatron
Megatron Weapon
Megatron Weapon
Megatron Frozen
Megatron Frozen 2
