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

thumbnails extractor

] `maxresdefault` doesn't exist sometimes · Issue #340 · yt-dlp/yt-dlp · GitHub

i.ytimg.com/vi/I4j4OGl_XHQ/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

thumbnail link doesn't work in all cases - Stack Overflow