Greasy Fork is available in English.
Watch videos from video sharing websites without Flash Player.
I'm happy you like my script, but I'm not planning to support additional sites. Instead it is just intended as a replacement for ViewTube from this site: http://isebaro.com/viewtube/
For vk.com (and other additonal sites) you may use ViewTube+ from the same site.
[Request]VKontakte video player
Please add vk.com support. It's russian social network and many ppl use it like music player/video hosting.
Also they have embed video.
With best regards.