Animoto is a simple, user-friendly tool for creating simple videos and presentations in a snap! In just minutes, you can easily create stunning presentations and videos that incorporate images, video clips, text, and music. Educators can register for a FREE Animoto Plus Account that can be used for classroom-related lessons and activities.

YouTube Video Tutorial by yctels: How to Use Animoto for Education

Learn 360
an interactive web-based learning site that provides media-on-demand - streaming video & audio that includes over 8,600 digital video titles, 27,000 video clips, and a vast library of speeches, images, songs, and research articles - with accompanying support materials from over 60 top educational publishers (*Contact Tracy Yeropoli for your username & password)
over 33,000+ educational videos divided into a directory of over 3,000 categories
YouTube Alternatives
avoid some of the hassle that sometimes goes along with using/accessing YouTube and check out this list of more than 30 alternative video resources that offer educational content
ViewPure & SafeShare TV
"purify" YouTube videos by removing the clutter of ads, comments, suggestions, etc.; simply provide the video URL and generate a "safe" link to your desired video
enter the URL to almost any video from YouTube, DailyMotion, Google Video, Vimeo, Megavideo, and Metacafe to download/save it in various file formats (*i.e. .flv, .mp4, .mp3, .webm)
Edudemic's 100 Best Video Sites for Teachers
a list of some of the best sources for educational videos on the web