Video clips are a great way to make a site look alive.
Provided they are kept short so they are not too much of a download burden on a visitors download limits then they can be a great way to set an mood for a page or present a product.
If you are a bit of a bird brain behind the camera and dont have a Disney like production allowance then there are a growing list of sites that provide free videos for personal or for business use.
Important: Always read the usage terms for each video to ensure they are free and don't require any attribution.
Here are just a few:
Know another site worth mentioning here ? Let us know in the comments and will add it to the list