Below are posters from Episodes IV, V and VI and three computer wallpapers also from IV, V and VI.
The images below are just a few I have collected over the years from the web.
Star Wars A New Hope / Lucasfilm LTD / 1977
Star Wars The Empire Strikes Back / Lucasfilm LTD / 1980
Star Wars Return of The Jedi / Lucasfilm LTD / 1983
Categories: Star Wars
George Lucas Talks About His Decision to Sell Lucasfilm to Disney 
The Mandalorian Season 2 Trailer 
The Mandalorian Season One Soundtrack Coming to Vinyl 
Taika Waititi to Direct New ‘Star Wars’ Movie 