In message , Tim+
writes

So which works best?

https://www.dropbox.com/s/s02csb7u83...lug2.jpeg?dl=1

That does not open the link. I get an option to download the file.

https://www.dropbox.com/s/s02csb7u83...lug2.jpeg?dl=0

That works, link opens (in Chrome).

https://www.dropbox.com/s/s02csb7u836291b/Plug2.jpeg

That works, link opens (in Chrome).
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Graeme