BK-633 Cover Manager should have different thumbnails for different source files
BK-633 Cover Manager should have different thumbnails for different source files

okffi/booktype,MiczFlor/Booktype,okffi/booktype,btat/Booktype,kronoscode/Booktype,eos87/Booktype,olegpshenichniy/Booktype,olegpshenichniy/Booktype,ride90/Booktype,ride90/Booktype,eos87/Booktype,rob-hills/Booktype,btat/Booktype,okffi/booktype,MiczFlor/Booktype,eos87/Booktype,danielhjames/Booktype,sourcefabric/Booktype,sourcefabric/Booktype,danielhjames/Booktype,MiczFlor/Booktype,danielhjames/Booktype,olegpshenichniy/Booktype,danielhjames/Booktype,btat/Booktype,sourcefabric/Booktype,sourcefabric/Booktype,olegpshenichniy/Booktype,btat/Booktype,MiczFlor/Booktype,kronoscode/Booktype,ride90/Booktype,olegpshenichniy/Booktype,rob-hills/Booktype,eos87/Booktype,eos87/Booktype,danielhjames/Booktype,sourcefabric/Booktype,kronoscode/Booktype,okffi/booktype,ride90/Booktype,kronoscode/Booktype,kronoscode/Booktype,MiczFlor/Booktype,okffi/booktype,rob-hills/Booktype,ride90/Booktype,rob-hills/Booktype