We've had a number of posters submitting form checks with attached videos which must be downloaded. Mostly in the H1 forum.
To help with this Cory just set up a new H1 Form Check forum, and posted the same how to upload sticky as the F1 forum there.
So any time you see an attached video, kindly give the poster the How To Post Link and ask them to use Youtube or Vimeo and to make sure the video is unlisted.
It's also good to get in the habit of checking if the form check videos you see are indeed unlisted. If not, just drop the poster a friendly PM.
With this being a new feature, if you do see form checks in H1, go ahead and move them to the H1 Form Check sub.
And of course it's always a good idea to make sure a form check is in the right sub forum other wise,
F1 elements in it's sub forum (form checks), F2, F3, F4 etc.