Enter only the URLs do not put anything else
If this is a Vimeo video the url must be from the vimeo site, ie. http://vimeo.com/43397805.
If the video comes from a blog site, to get the original vimeo link, click on the Share link, it should provide a url to copy and paste.
Enter only a URL do not put anything else. Make sure to include http:// in the website