Fan favorite artist Guido Guidi has shared with us some of his concept art for the Transformers Ongoing comic on his Deviantart
First off is a sketch study for Optimus Prime based off of the redesign of the character from Don Figueroa.
The 2nd is concept art for the Seekers. The art features Starscream and Skywarp who never appeared with this design in the comic issues #9-12
Check the links and pictures after the jump!