Thank you for your response. Still working on this.
When I open someone’s newsfeed tweet with an image in the timeline and go the source, then tweet the article from that source, the image again does not show in my column/timeline ie: https://twitter.com/SkyAppsWorld/status/904001065502343168
Nor does any tweet show an image from many sources I tried. except for youtube. Various newsfeeds do show images in the tweetdeckcolumns/ timelines.
So I assume others found a method of overcoming the problem.