change category cover (8650) -> meta
change category album_cover (645) -> meta
change category back_cover (41) -> meta
change category book_cover (190) -> meta
change category cover_page (4635) -> meta
change category dvd_cover (61) -> meta
change category magazine_cover (1736) -> meta
change category video_game_cover (57) -> meta
change category cover_art (5144) -> meta
create implication cover_page (4635) -> cover_art (5144)