...this thread highlights my exact my problem. I spent a few hours each of the last 2 days going through all my books and downloading metadata/covers. I'm pretty OCD and like my stuff in order.
It worked well and I thought I had gotten things in order but after sending all the files to the Reader, a large percentage of the book covers display sub-optimally. I even deleted all the files from the reader and just added everything from my Calibre library. Some books are perfect, some of the books display the cover in a small box in the corner of the allowable area, some books look like its zoomed in on a corner of the book cover and some just flat out didn't transfer. Some look like they kept the old cover even after I changed it. They look fine in the Calibre Library and (I thought) I converted them all to the correct format but I'm clearly doing something wrong. Is there a way to apply a uniform resizing to the thumbnails so they display correctly? I read through Squirsier linked post (btw, thank you very much for that) but I too am reluctant to open and resize 90+ images and was just hoping that in the year since this thread a plugin or fix has been implemented that I am just too stupid to find.
Any help would be greatly appreciated and will certainly lead to donations