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Without addons, I suppose "Save Page" is your only option. Or tediously save each image manually.

In firefox the "Save Page" doesn't save the downloaded images. I'll have to investigate the addon options..

So far on Firefox neither "Down them all!" nor "Download All Images" recognized the torrented images.

bulk image downloader has worked really well for me in the past

Print to PDF and convert to web page? I’d be interested to know if the JPGs move through that one untouched.