Yes it is awesome and very cool you should watch it.
It is already out, and can be viewed on YouTube.
You can probably watch the Percy Jackson & The Olympians: The Lightning Thief video game trailer on YouTube.
Youtube
There is going to be a movie, you can find the official trailer on youtube.
Brataley is a loving family they make videos on youtube and show cool things in there life
You can find it on YouTube
yes just look it up for the trailer on youtube
Check youtube.
Youtube
it is out now on youtube
YOUTUBE
i think there is one small trailer in youtube.
If you go to Youtube and watch the trailer (the game comes out in April) you will see Dom (bearded guy), Marcus, Baird, Anya, and Cole all alive in the trailer.
You can currently see the trailer on YouTube (follow the link below)
You can watch the project needlemouse trailer on youtube
it already has, you can see the teaser and offical trailer on youtube
Yes, it is legal to use Youtube videos to make a school movie trailer. As long as you are not earning money from it, anything from youtube may be used in things outside of youtube (such as your school trailer) tl,dr; Yes