Lately I am having this weird problem with the SS hack: more often than not, it selects the wrong picture as a cover of the book I am reading. It happens with both KFX and AZW3 books (although slightly more frequently on KFX books, I reckon).
Calibre's metadata shows the correct cover, the cover image is also present in the book (it is shown as the first "page" of the ebook when I open it on the Kindle).
Calibre's book editor shows it marked as the cover in the original epub, as well as on the converted AZW3.
I can't say what happens in KFX since Calibre does not have an KFX editor, but I tried to convert the EPUB to KFX, and then the KFX to AZW3, and this final AZW3 still shows the correct picture marked as a cover, therefore I guess that the cover information is retained in the source KFX as well.
Yet, the screen saver hack keeps selecting another image as the cover.
In the case I have at hand right now, by the way, it is a "wrong image", meaning the SS hack should not even support it afaik, cause it's a small icon, like 60x60...
How can I debug this more in detail?
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