VKontakte.ru Downloader

It's an extension for downloading music and videos from VKontakte.ru / VK.com. Extension adds download buttons for music, and download links for videos. Just click on a download button to download audio; to download video right-click on a download link, and use “Save Linked Content As…” command from the context menu. To download in a single click you should change Opera preferences. Changes are described in support VK group wiki. You can get file size and approximate bitrate for audio files by clicking on duration.