Blender has quite a presense on YouTube. If you haven't heard of or visited YouTube its a website for people to watch and share original videos.
And of the videos on the site you'll find many devoted to Blender. You can watch video tutorials, Blender feature demonstrations and some great examples of Blender in use. Elephant's Dream has even been uploaded to YouTube.
Here are just a few of the examples:
To find more blender videos just do a search for "blender 3d". And make sure to join and share your videos with the world.