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Old 10-08-2013, 02:23 AM   #8
scoobertron
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Posts: 58
Karma: 349476
Join Date: Jul 2012
Device: Kobo touch
I wasn't thinking of using calibre. In the images directory, iirc, there are 4 files for each book, with names something like:

file____mnt_onboard_"$DIR"_$COVER - N3_FULL.parsed
file____mnt_onboard_"$DIR"_$COVER - N3_LIBRARY_GRID.parsed
file____mnt_onboard_"$DIR"_$COVER - N3_LIBRARY_FULL.parsed
file____mnt_onboard_"$DIR"_$COVER - N3_LIBRARY_LIST.parsed

I believe that only the N3_FULL file is used as the 'screensaver'. So if you replaced all of the N3_FULL files with your chosen screensaver file, the sleep image would be changed, but all of the images in the library would be unchanged - they would still show the book cover. I can't test this now as I am in the middle of faffing with google drive and don't have any books on the device, but this is the only way I can see of getting this working the way OP wants.
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