They're mock-ups.
Adam Gregorich said:
The images I provide are never identified above as "screen captures" They are compressed (even further by me) graphical illustrations of the work that was done. They serve only to illustrate some of the fixes made, and if you look at them you should be able to see the before and after differences. Not sure how thats sheep-like. In later parts I'll discuss answers to why no original cuts, why some documentaries were left off and other questions.
Note the bold in the above quote. It comes from the same person who posted those caps we were looking at...