There's something about the thumbnailer that doesn't like the following five videos, but apparently they play just fine.
Wikitext to reproduce:
[[Image:Komodo dragons video.wmv.OGG|200px|thumb|left|Example 1]]
[[Image:Cub polar bear is nursing stabilised edited.OGG|200px|thumb|center|Example 2]]
[[Image:Cub polar bear is nursing 2.OGG|200px|thumb|right|Example 3]]
[[Image:Blender3D CHF 3DWindowAnim.ogg|200px|thumb|left|Example 4]]
[[Image:Blender3D KeyedParticlesSimulation.ogg|200px|thumb|center|Example 5]]
See also:
[[Wikipedia:Featured picture candidates/Cub polar bear is nursing]]
[[Wikipedia:Featured picture candidates/Komodo Dragon]]
http://en.wikipedia.org/w/index.php?title=Wikipedia%3AFeatured_picture_candidates%2FCub_polar_bear_is_nursing&diff=218651927&oldid=218519922
Possibly related: [[commons:COM:GVP#ogg video player errors?]]
Version: unspecified
Severity: normal