Graphic Design: Mad psychedelic posters from New York studio Eyebodega

Graphic Design: Psychedelic posters for The Grateful Dead by Mouse Studio

Stunning psychedelic posters from Dutch illustrator/genius Eline Van Dam

Graphic Design: Psychedelic album artwork from designer Robert Beatty

Graphic Design: More amazing posters from the irrepressible Comet Substance

PP D149 poster by de feure for the monmartroises

Graphic Design: Eye-popping posters from the phenomenal Michiel Schuurman

Sometimes surreal, always innovative poster design from Austrian agency Studio Vie

Graphic Design: Lina Sponberg creates impressive 3D posters

The Mad Doctor (1933) Poster

Trippy but carefully considered posters from designer Loes Claessens

Stark Mad poster

Awesome screen printed gig posters from Swiss designer Comet Substance