I couldn't see a rule, and I don't know if there's a protocol about videos, but here's a short little clip I cut together from last weekend's overnighter at Scott-Kilvert hut.
http://s2.photobucket.com/albums/y50/clownfisheye/videos/?action=view¤t=Scott-KilvertHut.flv
You'll have to excuse the average quality (my "work" camera is too heavy for this sort of trip!) and shaky camera work - it's not easy, holding a little handycam without a tripod, when you're wheezing and puffing away ...