I have seen the trailer! (
download the ootp trailer here)
Here is a very detailed shot-by-shot description with script and
50 screenshots:
1) Standard green background with "The following preview has been approved for ALL AUDIENCES..." text.
Fade to black
2) Heavy drumbeat while music starts up (similar if not identical to the GoF trailer music) WB logo appears in clouds and starts to zoom in close to camera.
3) Lightning strikes as camera passes through WB logo with heavy rain in background.
4) Fade to sky view overlooking London buildings. Camera passes by some tall buildings with city lights all around far below.
5) Lightning strikes and scene flashes to
Sirius Black in Grimmauld Place.
Sirius: Fourteen years ago Voldemort had
huge numbers at his command.
6) Lightning strikes and
TWO spooky
Death Eaters in metal masks are shown briefly.
7) Flash to black and then fade in to
Dumbledore speaking to the Wizengamot.
Dumbledore: The evidence of the Dark Lord's return is incontrovertible.
8) Flash to Educational Decrees exploding from framed pictures on walls at Hogwarts.
9) Flash to text:
On July 13th (in standard HP Lumos font)
10) Quick fade to
Harry in Snape's office, then to shot of
Hermione in Forest and then to closeup shot of
Ron with members of Dumbledore's Army behind him.
Snape voiceover (speaking to Harry):
(Note: This is where the 10-second trailer starts)
Snape: You won't last 2 seconds if he invades your mind.
11) Back to
Harry in Snape's office.
Harry (yelling): I am not weak!
Snape (yelling back): Then prove it!
12) Flash to text:
A New Order Begins with
Harry voiceover.
Harry: If Voldemort's building up an army, then I want to fight!
13) Fade from "A New Order Begins" text to
Harry at a dining table (Fred, George and Hermione are in background sitting at same table) at Grimmauld Place. Harry finishes above quote ("..then I want to fight!").
14) Brief flash to image of burning Educational Decrees.
15) Quick flashback to
Voldemort with
Death Eaters in the graveyard scene from GoF. (Don't blink or you'll miss this one)

Lucius Malfoy and Death Eaters. Voldie flashing lightning out of his wand.

Is this
Bellatrix? (Don't blink or you'll miss this)

This shot appears to be taken directly from the graveyard scene in GoF.
Flash to very short quick-glimpses of various scenes:
16) Masked
Death Eater descending into the Ministry of Magic (see
proof that this is the Ministry of Magic here)
17) Badly bruised
Ron shielding himself from a blast (?)
18) Trio in Forbidden Forest.
Harry protects
Hermione while kicking at something.
19)
Umbridge standing in front of large pendulum
20)
Harry and
Cho kiss
21) An angry
Umbridge in Forbidden Forest points wand and yells.
22)
Harry getting blasted by a huge burst of light inside the Ministry of Magic.
23) The
Advance Guard (members of the Order), including
Harry, fly on broomsticks past camera and a large ship at dock.
24)
Bellatrix Lestrange looking evil posing for a strike with her wand.
25) Camera moving through a hall, then through some doors and into Snape's office at Hogwarts.
Snape is pointing his wand, and shoots a hex.
26)
Harry screams in pain.
27)
Dolorus Umbridge running through a Hogwarts classroom looking over her shoulder, being chased by something.
28)
Voldemort in shadows looking angry, creeping closer to camera.
29)
Trio in Forest looking frightened (possibly looking at Grawp or a Centaur).
30)
Advance Guard on brooms zipping past British Parliament building.
31) Bell gongs (like a large clock), quick fade to black.
32) Eerie music while text
Harry Potter and the Order of the Phoenix (standard HP film title font) fades in and Hedwig's theme starts playing.
33) Flash to a shot of London from sea.
Harry on broom zooms towards camera.
34) Flash to dark clouds background with text:
July 13th 2007
35) Fade to black. END.
UPDATE: Warner Bros. has kindly provided us with links for the full trailer! Quicktime http://raincloud.warnerbros.com/wbmo.../teaser_56.mov http://raincloud.warnerbros.com/wbmo...teaser_100.mov http://raincloud.warnerbros.com/wbmo...teaser_300.mov http://raincloud.warnerbros.com/wbmo...teaser_500.mov Windows Media Player http://raincloud.warnerbros.com/wbmo.../teaser_56.asx http://raincloud.warnerbros.com/wbmo...teaser_100.asx http://raincloud.warnerbros.com/wbmo...teaser_300.asx http://raincloud.warnerbros.com/wbmo...teaser_500.asx iPod http://pdl.warnerbros.com/wbmovies/o...er_hp5.m4v.zip PSP http://pdl.warnerbros.com/wbmovies/o...er_hp5_psp.zip Thank you Rich for the excellent play-by-play description!