Allow me to use my mindblowing trash talk deciphering skills to explain to you all what he probably meant.

Hello guys,
I'm showing you 5 maps that you could make.
I apologize for not knowing how to speak English properly.
Do you want to know how I managed to get these screenshots?
I've downloaded CS map viewer & editor and used it to get these photos.
I am hoping that you will appreciate this "guide" on how to get 2D layout of a 3D map.
Here's some photos:
*Photos spoiler*

TL;DR I'm guessing he's showing how to get photos of 3D maps so you could later make those maps in 2D.

Note: I'm not changing the title because I'm not totally sure that he meant that