Vimeo is a great resource that I have been capitalizing on lately. Vimeo is a movie hosting website, much the same as YouTube, but with less adds and a focus on created, user created content rather than pirated or copyrighted material, which is what makes up the vast majority of videos on YouTube.
From a teaching point of view, it is very effective for sending home private or secure videos to parents as it has a password protect function so that you can set any video you upload as private, unless you have the password. We have already seen the kindergarten teachers use this very well and parents have even been emailing the video to relatives in other continents, which is keeping family connected despite huge geographical boundaries. This is one of the biggest benefit of modern age connectivity.
So here is a simple screen cast of how to set the privacy setting on Vimeo so that videos are only viewable with a password: