The picture here are supposed to represent two black men, one behind and one closer to the screen. They are both said to be clapping as the motorcade goes past as in the site banner above on the page.
The picture below is indicative of photo fakery and edits. Zapruder is fake.
Point 1
The rear black man, that we call One Leg Man has what suspiciously looks like a pasted on head. he has no rear neck at all. The pixilation of green carries through where his neck should be. He is a black man, he should have a black neck. His grey suit is rather shadowy and translucent when compared to other parts of the picture. He has another green pixelation patch on the sleeve where his inner elbow is.
Point 2.
Compare the detail on the so called front  "black man", who we call green man. Compare the detail at the back of his head to the black patch at the front that is supposed to represent his face. Look closely in this area, one could argue shadows but then shadows would go all the way down to his chest instead of ending, as the black patch does and then begins again.

Point 3.
 Why does it look like there are pair of sunglasses in the middle of the picture down towards the bottom? Pay close attention to the middle section. Remember both these men are supposed to be clapping. We are supposed to be looking at the man behind's hands clapping. Is that what you see? How many people are in this picture and where exactly are they standing. Using Photoshop filters we are showing you here a few different perspectives of the same photo.
Point 4
The front man is supposed to be black, take a close look at his left hand, other than the shadows not matching pay close attention to the coloration on the wrist area and the dark patch at the fingers. One his right hand, well that whole area bears close scrutiny.

Remember here, if the photos are edited, they are edited to hide something, to change something. Because it is edited or edited out we can't see what was originally there, what was, we can only see the traces or remnants of the editing. We can only see the lie because what we are seeing is not the truth.

We can not, by looking at this picture tell what really was happening but what we can do is show you that possibly what you are supposed to be seeing, is not what you are seeing.

Study the photos closely for a few minutes each, letting it sink in, what you are supposed to be seeing versus what you are really seeing.