Make two of yourself in a video?

if i have two different video clippings, how can i combine them into one video clipping so that i can see them sequencially

so i have a mac book pro and i use imovie. but what i want to do is make it seem like i have a twin in a video. Like the video is playing but theres two of me. for example...this youtube video i what i want to do. Its of this boy and its only him but...

pls can someone help me out here, i captured two videos but i want to join them together as in whole, and not continuation. i started by recording a scene then i accidentally pressed stopped on my camcorder. i pressed record again to continue to video...

Like there are two boxes on a video, the other box has a different video while the second box has also a different video. Can it be done using sony vegas movie studio? And what is the correct name for that effect?

The video I made was about 20 mins long and I wanna post it on YouTube but its way too long. How can i cut the video in half and make two videos out of one?

How Do you make two of yourself in a video using Vegas pro 9.0 Platinum? I need step by step instructions and here's a video showing what I want to do http://www.youtube.com/watch?v=XKLCJ4WgM3s

I want to make a video putting one movie clip after the other. Both movie clips are up on Youtube, but I'm not sure where else I can find them. Is it possible to download them both to my pc, mesh them together, then upload them to Youtube as one video...

I am looking to make a time lapse video (1 image per minute) for 2 months. The camera will be stationary and I would like for the images or video to be directly sent to a hard drive of some sort. I'm pretty much clueless on the topic so, if someone could...

like in this video, it has two black lines. I use power director9. http://www.youtube.com/watch?v=bU-SCpRsUfs