Should download original resolution (1242x2208) versions of Instagram higlights video thumbnails images from cdninstagram.com, similar way that instavideosdownloader.com does
-> https://instavideosdownloader.com/?url=https%3A%2F%2Fwww.instagram.com%2Ffinland%2F&highlights=1#account
--> https://instavideosdownloader.com/?url=https%3A%2F%2Fwww.instagram.com%2Fstories%2Fhighlights%2F18050518501080214%2F#account
---> Video posted at 2019-06-19 https://scontent-dfw5-2.cdninstagram.com/v/t51.12442-15/e35/65117324_470620283507138_7500882365845730514_n.jpg?_nc_ht=scontent-dfw5-2.cdninstagram.com&_nc_cat=102&_nc_ohc=icPoyZWIGV0AX8PDe4Y&se=7&oh=8363ba740960a28ee1aa8568e655f08c&oe=5DFE7FCC&ig_cache_key=MjA2OTYzMzA2MDQzMzE1ODczOA%3D%3D.2
(archived) http://web.archive.org/web/20191220024654/https://scontent-dfw5-2.cdninstagram.com/v/t51.12442-15/e35/65117324_470620283507138_7500882365845730514_n.jpg?_nc_ht=scontent-dfw5-2.cdninstagram.com&_nc_cat=102&_nc_ohc=icPoyZWIGV0AX8PDe4Y&se=7&oh=8363ba740960a28ee1aa8568e655f08c&oe=5DFE7FCC&ig_cache_key=MjA2OTYzMzA2MDQzMzE1ODczOA%3D%3D.2