I made a rough video of cloning/masking just to test it out, and a few problems came up,
1) both me's flicker in and out of existence very quickly throughout the video, and
2) you can totally see the dividing line where I cropped it. Why? It's the same take, I didn't mess with the camera.
here's the video:
How do I fix it?
I'm using sony vegas pro 8 btw.