i.ytimg.com/vi/hvq80zHu018/maxresdefault.jpg

] Thumbnail download fails completely if maxresdefault.jpg is not available · Issue #21588 · ytdl-org/-dl · GitHub

maxresdefault thumbnail · Issue #373 · nullscreen/yt · GitHub

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get-thumbnail option gives url to broken images. · Issue #402 · yt-dlp/yt-dlp · GitHub

How to get HQ thumbnails? - Stack Overflow

All about Thumbnail Images as ytimg maxresdefault especially in Search

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