Ando Prime is a site with a little bit of everything - wallpapers, sounds, fan fiction, fan art and more. THe site has been long since abandoned but still ha sa repository of information.
A U.K. based Star Wars site with tons of information on all six Star Wars films, a media archive, timeline of Star Wars related events an more. The site also has an excellent script repository.
A site dedicated to Star Wars books, CCG, comics, DVDs, toys, pictures, multimedia and more. It also has a great script database for "Star Wars Episode IV: A New Hope," "Star Wars Episode V: The Empire Strikes Back" and "Star Wars Episode VI: Return of the Jedi".
The script read by Anthony Daniels as part of the "Star Wars: Where Science Meets Imagination" traveling exhibit. The file is in Adobe Acrobat Reader (.pdf)
Galactic Voyage is a tremendous Star Wars news and info site - full of news, images, multimedia, and fun stuff. It has a massive directory of characters, ships, vehicles, planets and every other element of the films. On top of that, there's even fonts, wallpapers, multimedia, sounds, music, art, scripts and more!
This site has a script repository where you can read and download the early drafts and original shooting scripts of Star Wars, see the spectacular pre-production art of Ralph McQuarrie and Alex Tavoularis, read discerning essays and articles about the STAR WARS Saga and directly participate with your own artwork and texts. This site is part of T'bone's StarWarz super site.