What if you don't want to train lots of users - or what if you'd rather do minimal training and then allow users to watch some videos. Well you could create your own or there are some people who look like they have done the work for you:
http://www.sharepoint-videos.com/
or
http://www.sharepointhosting.com/video_tutorials.html
or
Channel 9 a great source for various technical screencasts - the home of the required viewing content type and site column screen casts
