I think that this thread needs to figure out what it's going for before doing any things like add videos for everyone (even not on the list) or expanding the list or even requiring videos for those on it.
If you're looking to just rank the top 3 for each character, videos would be great but I don't think they're necessary.
If you're looking for a place that people vie for a top 3 position, but at the same time showing techniques and playstyles to others, then I'd say make it a requirement for videos to be on the list (I would probably prefer this option, although it would make it harder for lesser known players to get on here without going to tournaments and whatnot)
If you're looking to list all high level players for each character, remove the limit and don't require videos.
If you're looking for ^ but also to show different playstyles and whatnot to people, remove the limit but still require videos.
If this is just going to be a thread for good players to be showcased and as a mostly training thread to show what characters are capable of, then have a list with videos from more that might not be on the list. This seems like a weird option, and would possibly warrant its own thread but I don't see how it would fit into the idea of this one as it currently stands.
Just my 2 cents