Program to capture video from desktop

I have some video that I want to make run continuously, what is the best & easiest program to do this, I have alot of video that I would like to do, thanks for any advice.

 

so you want to use video as a background?

if so thats gonna slow your system down if you looking for an on screen recorder may i suggest using google

 

http://www.techsmith.com/
Camtasia Studio will "Record anything you see on your screen along with webcam and audio". It is not free but they have a trial so you can see how easy or hard it is and if it meets your needs.