Leonardo said:

Edit: I notice the color difference in the reinserted "clean" part of the image. Seem to be a slight notch lesser bluish/greenish than the rest.

Yeah, about that. Do you have any suggestions? I've seen people messing around in Matlab lately, to automatically color match different sources, but I know nothing about the program. Methinks I should ask around.

Sorry, no Idea on that. You may mess and try around, and then take snapshots and fiddle with the colors to check if you notice such odd things, like you see on the coller messed I showed. Or you try with one frame until you find the best match and then try to apply the color correction settings on tha movie parts.