AlwaysHD.com is a site providing royalty free HD stock footage. However if you register on the site you will be able to download their “free clip of the week”. It’s no surprise that this clip is always HD!
This clip is royalty free and you can use for whatever purpose you like. It just be the clip you’ve been looking for!
The site also provides a service where you can sell stock footage you have created for a 50% share of the sale price.