Just Movie Posters.Com
A store specializing in posters from recently released movies.
http://www.justmovieposters.com/
Archival Photo
Offers movie poster and lobby card reproductions.
http://www.arch-photo.com
Jerry Ohlinger's Movie Material Store
Primarily sells movie poster reproductions as well as some originals. Also offers a service to track down rare movie stills.
http://moviematerials.com