OK yes they do not show in preview
When attaching an image to a topic or the topic you are starting..write the narrative then click on PREVIEW next to post below to attach an image that is SAVED on you computer or phone..see attached images.
Didn't work when I tried it.
Allowed file types: doc, gif, jpg, mpg, pdf, png, txt, zip, jpeg, STL, stlRestrictions: 15 per post, maximum total size 3200KB, maximum individual size 3200KB