The Script Shack
Features thousand's of movie scripts for sale

Planet MegaMall - Screenplays
Thousands of film and TV scripts in industry format. Owned and operated by a screenwriter.

Scriptworld
Sells scripts and screenplays as well as offers resources for scriptwriters

Hollywood Book City
Movie and television scripts, screenwriting books and software.

VLR Scripts
Four action scripts, plus movie ideas, by Valentine Llanos

Cheyenne Warrior
Script of 1994 film starring Kelly Preston and Pato Hoffmann, with author commentary.

ZZippeddSkripptzz
Downloadable movie and television screenplays for a subscription charge.