According to the developer of qTweeter:
qTweeter, a one of a kind status update application that lets you tweet and update your Facebook status like never before. It is straight to the point, super fast, ultra cool and darn effective. You launch qTweeter by simply sliding your finger down from the status area and can start updating your status right away. Once done, you simply press the update button to update your Facebook status and/or your Twitter status. qTweeter saves you the hassle of updating your Facebook status and Twitter separately by doing both for you instantly from anywhere on the iPhone or iPod touch. It also saves you from having to exit the app you are currently running.
- Twitter Friend Finder
- Media Attachment support
- TwitPic, TwitVid, yFrog, Posterous
- Update Facebook and Twitter at once
- Music, YouTube and Safari Tweets
- Update your status on top of any app
- Background Uploading
- Upload Video and Images to Facebook
- Scaled full image preview
- Add Location and update profile Location
qTweeter tweak is available in Cydia under BigBoss repository. It costs $3.99 USD. You should note that you will need to have jailbroken iPhone to install this tweak. If you don’t have jailbroken iPhone then you can follow the step by step instructions posted here to jailbreak your iPhone on iOS 4.2.1 with Redsn0w.