Comment # 2 on bug 1041794 from Jan Engelhardt

>But this one doesn't: https://www.youtube.com/watch?v=t8tdmaEhMHE

The reason is simple: that picture data is only available in MPEG, and that is
understandably not enabled in openSUSE.

$ youtube-dl -F https://www.youtube.com/watch?v=t8tdmaEhMHE
[youtube] t8tdmaEhMHE: Downloading webpage
[youtube] t8tdmaEhMHE: Downloading video info webpage
[youtube] t8tdmaEhMHE: Extracting video information
[youtube] t8tdmaEhMHE: Downloading MPD manifest
[info] Available formats for t8tdmaEhMHE:
format code  extension  resolution note
139          m4a        audio only DASH audio   48k , m4a_dash container,
mp4a.40.5@ 48k (22050Hz), 840.29KiB
171          webm       audio only DASH audio   63k , 1fps, vorbis@128k,
1.01MiB
140          m4a        audio only DASH audio   97k , m4a_dash container,
mp4a.40.2@128k (44100Hz), 1.64MiB
160          mp4        192x144    DASH video  110k , avc1.4d400c, 12fps, video
only, 1.85MiB
133          mp4        320x240    DASH video  247k , avc1.4d400d, 24fps, video
only, 4.14MiB
17           3gp        176x144    small , mp4v.20.3, mp4a.40.2@ 24k
36           3gp        320x240    small , mp4v.20.3, mp4a.40.2
18           mp4        320x240    medium , avc1.42001E, mp4a.40.2@ 96k
43           webm       640x360    medium , vp8.0, vorbis@128k (best)