Yes, I can see the images you are posting. Those images are Couch/Darnell. They do not show Lovelady standing on the side of the TSBD steps that are below the sniper's window.
This is a still from the Darnell footage taken around 25 - 30 seconds after the head shot.
What is your guess at the man I have identified as Lovelady.
Tom has bailed out on this identification because he knows it can only be Lovelady but has put all his eggs into the Kamp basket.
In this image we see Baker just about to reach the area near the bottom of the front steps.

As for the colour image you are referring to, is it something like this:
