A lot of these images came from the alt.binaries.starwars news group.
Ralph painted these for Galoob
Ralph's amazing artwork on trading card and stickers
Here's some of Doug Chiang's images for Episodes 1 & 2 and
some of Ryan Church's paintings for E2 & E3
If you have images of any other Ralph McQuarrie art or
know that any of these images are not by RMcQ please