I stumbled across this the other day. I imagine most people know about it however there be some of you who don't.

http://www.digital-digest.com/movies/movie_index.php

I also couldn't find any topic related to this but if there is already feel free to delete/move this post.

Anyway there are good number of Trailers in High-Quailty DivX format unless stated otherwise.

2 Fast 2 Furious - Trailers
28 Days Later - Theatrical Trailer
8 Mile - Theatrical Trailer
Alexander - Teaser Trailer
Alexander - Theatrical Trailer
Anacondas: The Hunt for the Blood Orchid - Theatrical Trailer
Animatrix, The - Preview Trailer
Austin Powers in Goldmember - Theatrical Trailer
Bourne Identity, The - Trailer
Brother Bear - Preview Trailer
Butterfly Effect, The - Theatrical Trailer
Cars - H.264 HD 720p Theatrical Trailer (H.264)
Castaway - Trailer A
Castaway - Trailer B
Carlie's Angels : Full Throttle - Teaser Trailer
Chicken Run - Mission Impossible Teaser
Chicken Run - Trailer
Chronicles of Narnia, The: Lion, the Witch and the Wardrobe, The - Theatrical Trailer (DivX HD)
Da Vinci Code, The - Theatrical Trailer (XviD HD)
Day After Tomorrow, The - Theatrical Trailer
Die Another Day - Trailer
Dodgeball: A True Underdog Story - Theatrical Trailer
Emperor's New Groove, The - Trailer
Enemy At The Gates - Trailer
Equilibrium - Trailer
Erin Brockovich - Trailer
Evolution - Trailer
Exit Wounds - Theatrical Trailer
Face/Off - Theatrical Trailer
Fast and the Furious, The - Trailer
Final Destination 3 - HD Theatrical Trailer (XviD HD)
Final Fantasy: The Spirits Within - Trailer
Finding Nemo - Teaser Trailer
Forgotten, The - Theatrical Trailer
Forrest Gump - Trailer
Harry Potter and the Goblet of Fire - Theatrical Trailer (XviD HD)
Harry Potter and the Prisoner of Azkaban - Theatrical Trailer
Hearts in Atlantis - Trailer
Hellboy - Theatrical Trailer
Hidalgo - Theatrical Trailer
Hulk - Teaser Trailer
I Am Sam - Trailer
I-Spy - Theatrical Trailer (XviD)
Ice Age: The Meltdown - HD Teaser Trailer (XviD HD)
Ice Age: The Meltdown - HD Theatrical Trailer (XviD HD)
Incredibles, The - Teaser Trailer
Incredibles, The - Theatrical Trailer 1
Incredibles, The - Theatrical Trailer 2
Kill Bill - Teaser Trailer
King Kong - Theatrical Trailer (XviD HD)
Last Samurai, The - Theatrical Trailer
Lemony Snicket's A Series of Unfortunate Events - Theatrical Trailer
Lord of the Rings Trilogy - Super Trailer
Lord of the Rings, The : Fellowship of the Ring, The - Teaser Trailer #1 Date
Lord of the Rings, The : Return of the King, The - Preview Trailer
Lord of the Rings, The : Two Towers, The - Teaser Trailer
Madagascar - Preview Trailer
Mask of Zorro, The - Trailer
Matrix Re-Loaded / Revolutions, The - Teaser Trailer
Matrix Reloaded/Revolution, The - Super Bowl Trailer
Matrix Revolutions, The - International Trailer
Memoirs of a Geisha - Theatrical Trailer (XviD HD)
Men In Black II - Trailer
Miami Vice - H.264 HD 720p Theatrical Trailer (H.264)
Million Dollar Baby - Theatrical Trailer
Minority Report - Trailer
Miss Congeniality 2 - Theatrical Trailer
Mission: Impossible III - HD Superbowl TV Spot (XviD HD)
Mona Lisa Smile - Theatrical Trailer
Monsters Inc. - Teaser Trailer
Monsters Inc. - Theatrical Trailer
Mummy, The - Trailer 1
Mummy, The - Trailer 2
Munich - Theatrical Trailer (XviD HD)
Mystic River - Theatrical Trailer
Neon Genesis Evangelion - Trailer
Ocean's Twelve - Theatrical Trailer
Once Upon A Time In Mexico - Trailer
Pay It Forward - Trailer
Pearl Harbor - Teaser Trailer
Pianist, The - Trailer
Pirates of the Caribbean: Dead Man's Chest - H.264 HD 1080p Theatrical Trailer (H.264)
Pirates of the Caribbean: Dead Man's Chest - H.264 HD 720p Theatrical Trailer (H.264)
Pirates of the Caribbean: Dead Man's Chest - Teaser Trailer (XviD HD)
Pirates of the Caribbean: Dead Man's Chest - XviD HD 720p Theatrical Trailer (XviD HD)
Pitch Black - Trailer
Polar Express, The - Teaser Trailer
Proof of Life - Trailer
Rat Race - Trailer
Resident Evil: Apocalypse - Theatrical Trailer
Rush Hour 2 - Trailer
S.W.A.T. - Theatrical Trailer
Shaun of the Dead - Theatrical Trailer
Silent Hill - HD Theatrical Trailer (XviD HD)
Solaris - Teaser Trailer
Spider-Man - Trailer 2
Spider-Man 2 - Theatrical Trailer
Spider-Man 3 - H.264 HD 720p Teaser Trailer (H.264)
Star Trek: First Contact - Teaser and Theatrical Trailer
Star Wars Episode I: The Phantom Menace - DVD Preview/Commercial
Star Wars Episode I: The Phantom Menace - Teaser Trailer (
Star Wars Episode I: The Phantom Menace - Theatrical Trailer
Star Wars Episode II: Attack of the Clones - Breathing Teaser Trailer
Star Wars Episode II: Attack of the Clones - Forbidden Love Teaser Trailer
Star Wars Episode III: Revenge of the Sith - Theatrical Trailer
Star Wars Episode IV: A New Hope - Launch Trailer
Star Wars Episode IV: A New Hope - Re-Release Trailer
Star Wars Episode IV: A New Hope - Teaser Trailer (
Star Wars Episode IV: A New Hope SE - Trailer
Star Wars Episode V: The Empires Strikes Back - Launch Trailer
Star Wars Episode V: The Empires Strikes Back - Re-Release Trailer
Star Wars Episode V: The Empires Strikes Back - Teaser Trailer
Star Wars Episode V: The Empires Strikes Back SE - Trailer
Star Wars Episode VI: Return of the Jedi - Launch Trailer
Star Wars Episode VI: Return of the Jedi - Re-Release Trailer
Star Wars Episode VI: Return of the Jedi - Teaser
Star Wars Episode VI: Return of the Jedi SE - Trailer
Star Wars Trilogy: Special Edition - Trailer
Superman Returns - HD Theatrical Trailer (XviD HD)
Superman Returns - Teaser Trailer (XviD HD)
Swordfish - Trailer
Syriana - Theatrical Trailer
Teenage Mutant Ninja Turtles - H.264 HD 720p Teaser Trailer (H.264)
Terminator 3: Rise of the Machines - Theatrical Trailer
Thirteen Days - Trailer
Three Kings - Trailer
Titan A.E. - Trailer
Troy - Theatrical Trailer
U-571 - Trailer
Underworld - Trailer
Unleashed
Vertical Limit - Trailer
X-Men - Trailer A
X-Men - Trailer B
X-Men: The Last Stand - HD Theatrical Trailer (DivX HD)
X2 - X-Men United - Teaser Trailer
X2 - X-Men United - Theatrical Trailer 1
X2 - X-Men United - Theatrical Trailer 2

Example Screenshot