In the second video you would take a video layer and use a 3D camera tracker---included in CS6. Here's a quick overview of the 3d Cam. Tracker:
Johnny Cuevas, Editor
"I have not failed 700 times. I have succeeded in proving that those 700 ways will not work. When I have eliminated the ways that will not work, I will find the way that will work."
---THOMAS EDISON on inventing the light bulb.