Thumbnails that violate our Community Guidelines are not allowed on YouTube.

If you see thumbnails that violate this policy, report them. Instructions for reporting violations of our Community Guidelines are available here. If you've found a few videos or comments that you would like to report, you can report the channel.

What this means for you
Don’t post a thumbnail on YouTube that fits any of the descriptions noted below.

Thumbnails that include pornographic images depicting sexual acts, nudity, or other sexually gratifying imagery
Violent imagery intended to shock or disgust
Graphic or disturbing imagery with blood or gore
Thumbnails with vulgar or lewd language
Thumbnails misleading viewers into thinking they’re about to view something that’s not in the video