OK, so I will accomplish what I want with Posts. I have edited six posts and replaced images in them. For these Posts, I checked 'Post Carousel Display'. For all other Posts, I unchecked 'Post Carousel Display'. However, only four of my images are showing in the carousel. Hello World and the image of the brief case are shown. How do I eliminate Hello World and the image of the brief case and include all six of my images?
The Posts where I replaced images are in the attachment, with red check marks.