Windows/Mac/Linux (with Adobe Air): TweetDeck—most popular Twitter client among Lifehacker readers—just released an update to version 0.33, bringing with it more support for viewing media inline without opening a page in your browser (including YouTube videos and Flickr images) and a nice new column navigation tool. Sound good?
Adobe AIR apps like TweetDeck work on all platforms, but with a few quirks—like not opening your preferred browser on clicked links. Here's a few solutions for TweetDeck and other AIR apps running on Windows, Mac, and Linux.