I was looking through the forum for solutions and indeed have found this great guide from @eli :
But in my case, I also have images to be displayed, not only text, which seems impossible with the solution above. Also, in the last 2 years, a lot of new plugins were created + responsive engine, so I hope that you guys know some new tips&tricks for achieving that.
The following works and even keeps the column headings in view when scrolling vertically (like frozen rows in a Google Sheet). It’s actually just a variation of this technique, with a max height applied to the RG.