My own videos:

Driving Rocket-Uno in summer 2013, Iisalmi.

https://www.youtube.com/watch?v=ZjEgqTYfP1A

The Ice Bug Challenge, August 26th, Helsinki

https://www.youtube.com/watch?v=oSAHb6nQN10

From Youtube will get a lot of videos, search for 'Virgin Galactic'. 

Animation of a Virgin Galactic flight from launch to landing

http://www.youtube.com/watch?v=IytjSl6voP0

The third powered flight September Jan 10th, 2014

https://www.youtube.com/watch?v=pwm3leZu-O0

The second powered flight September 5th, 2013

http://www.youtube.com/watch?v=3WkbT5qZHw8

The first powered flight April 29th, 2013

http://www.youtube.com/watch?v=KgEdzJdyjfM (33 seconds, just the flight)

https://www.youtube.com/watch?feature=player_embedded&v=HLDmcjeDohc (The flight + Mr Branson + California)

One glide flight 2011

http://www.youtube.com/watch?v=as3IKBNaA9g

The first glide flight 10.10.2010

http://www.youtube.com/watch?v=mDUVe3a496Y

September 2010 video.

http://www.youtube.com/watch?v=FPJSlI4XXhE

Virgin Galactic White Knight 2 = the mothership is flying

http://www.youtube.com/watch?v=YFdL8b03qdU

One test flight

http://www.youtube.com/watch?v=rJJYjt5KF5g&feature=related

Spaceport America video

http://www.youtube.com/watch?v=pHa8XatVUXA

Elton John Rocket Man

http://www.youtube.com/watch?v=1GAKOLOnfV4

Not so serious "the 8. man in the moon"

http://www.youtube.com/watch?v=NeZH7es3bUM