I cant chanche or add anything on the list anymore, so... i post it below:
The Big Gundown original title is La Resa dei conti
The poster of Scalps is of an different movie, the movie i meant is:
http://www.imdb.com/title/tt0091897/
Valdez Il Mezzosangue is twice in the list (also mentioned under Chino)
This one is missing on the list: http://www.imdb.com/title/tt0063853/
(the poster is there, but with another movie title under it!)
