Link: http://tweetdeck.com/iphone/

Tweet on the go with all your favourite TweetDeck features on your iPhone.

TweetDeck is your mobile browser for staying in touch with what’s happening now on Twitter from your iPhone or iPod Touch. TweetDeck shows you everything you want to see at once, so you can stay organized and up to date no matter where you are.

Create groups, search Twitter, manage multiple accounts and easily post your tweets or share photos, link and much more. Plus sync your existing TweetDeck columns between your desktop and iPhone. Nice and easy.

Great application for the Twitter craze!