Tensa said:
And I don't give two craps about webm. Photoshop doesn't support it, obv. Nor does Premier Pro iirc? For that matter, Premiere Pro doesn't support .mkv.

edit: can anybody access this?
But Sound!!! Webm has sound!!!!

and yes, I can access that file. WebP Photoshop plug-in
And the same people make a webm plugin for premier
http://www.fnordware.com/WebM/