That one does definitely look like a promo picture rather than a screen shot. Have everyone walk dramatically towards the camera, don't worry about things like lighting or if it looks silly...
Also now I want to see a fanfic where Egwene/Bela is a centaur.
There's a big difference between throwing an effect on a few parts of a youtube video and having an effect that looks film-quality good for every second that one of your major characters is onscreen. I imagine it's especially complicated because it's not all of Lan's outfit, so you'd have to be...
Do remember this is Moiraine who's spent most of the last ~20 years on the road trying to track down the Dragon. Not a lot of chances for any too-fancy clothing.
Can I just say that I find it amusing that they tweeted out "No Spoilers" but so far the quotes to describe the characters are all from A Memory of Light?
It's official, we have cast announcements! (Will update as they tweet more)
Josha Stradowski as Rand Al'Thor
Marcus Rutherford as Perrin Aybara
Zoë Robins as Nynaeve Al'meara
Barney Harris as Mat Cauthon
Madeleine Madden as Egwene Al'Vere
Yesterday's WotWednesday failure really seems like someone on the marketing team dropped the ball, and now they're scrambling to get an announcement ready for next week.