OK. So what do the following have in common?
[[{"type":"media","view_mode":"media_large","fid":"219665","attributes":{"class":"media-image mt-image-center","typeof":"foaf:Image","style":"","width":"99","height":"141","alt":"clip_image002.jpg"}}]] Sid James
[[{"type":"media","view_mode":"media_large","fid":"219666","attributes":{"class":"media-image mt-image-right","typeof":"foaf:Image","style":"","width":"130","height":"127","alt":"clip_image001.jpg"}}]]
Chintz
Brass Foundry
Eddy Grant
Answers... in a blog sometime in the future...
PS there is a big clue contained in Phil Rich's blog: Researching the NMM's film archive: post-war images of the oceanic cruise, posted 10 March '09.