The problem is that with some windows 10 PCs on my network can scroll through image files (using the arrow keys to move to next or previous photo for example) on my Synology DS 418play NAS with the ...

Well, I am having a problem with putting my img on cds. I started with a single image of my NTFS partition. Checked for integrity, fine. I made an img of that, only cut up into files to fit on 4 cdrs.