Longtime lurker - finally a contributor. I've taken a look at this most recent release using Quicktime, using it use the arrow keys to frame-by-frame through it. Here's some stuff i haven't seen others mention yet:
The guy who becomes the mutant?
New users of the flamethrower
The tendril seems to be a central theme to the movie, and in this scene it is receding into the arm, with what looks like the recipient covering it up or clasping himself:
Again, this appears to be an infection of a tendril of some kind. It appears as a hair sticking out and wagging from the eye of this man, before receding and turning into a bloodshot vein in his eye:
It was mentioned in the past that a character might give birth. Here you can see what look like a pair of knees in a birthing position:
This character appears to be waving a white flag, requesting not to be harmed:
Here you can see what appears to be the hand of the engineer, as he approaches one of the characters who is frozen, potentiall in terror. At the same time, the man on the side is firing at the engineer:
And I found this last one interesting - a Heads Up Display from David:
Now let me flash you back to December, when the preview was released with the P R O M E T H E U S lettering appearing. This is something I thought I noticed but found it too odd to bring up. After having seen the eyeball tendril int his most recent trailer I think I may not be crazy after all. What you'll see is a sliver of a tendril wagging out from her shoulder, just above the 'h' of prometheus in the final screencap, as she unzips her suit:
I think that between the 3 tendril scenes, we can confirm that some sort of symbiote/parasite/infection is occurring and is affecting many members of the crew.
I have also started to wonder if there are 2 alien species being dealt with; the engineers (pale-blue figures) and the space jockeys. Perhaps a war between the two occurred or is occurring and we have found ourselves in the middle? Not sure how the tendrils fit in though, unless they serve as a weapon used from one against the other.