Twitter Inline Media
An extension for Opera Browser.
Appends media content (images and video) inline on Twitter.
Supported images providers: Twitter Images (pic.twitter.com), yfrog, flickr, twitpic, instagram, facebook, lockerz, tumblr, imgur, plixi, ow.ly, img.ly, twitgoo, twipple, tweetphoto, deviantart, movapic.com, photozou, fotki.yandex.ru, moby.to, twitrpix, pikchur, f.hatena.ne.jp, whosay, vk.com, f1db.ru, foursquare, via.me, techcrunch.com, wordpress.com.
Supported video providers: youtube, vimeo, facebook video, dailymotion, twitvid, vk.com, vine.co, ign.com.
Also performs on direct urls (.jpg, .png, .gif, .jpeg).
Feel free to ask to add any another media service.