Posterous, the free blogging platform service, has released an iPhone app called PicPosterous. The iPhone app currently enables you to upload your photos or videos to Posterous directly from your iPhone. PicPosterous is designed to let you post photos live, as you take them. PicPosterous can replace the built in Camera app on your iPhone, and publish your photos and video online live.

Features of PicPosterous:

• Live-post anytime, anywhere using your iPhone camera.
• Full-length video capture: Supports iPhone 3G S video, playable on web and iPhone
• No signup/setup required: Start posting right away
• Create photo albums which are  auto-resized into an easy-to-browse galler
• Autopost everywhere: Twitter, Facebook, Flickr, YouTube and more

Download it from iTunes (Free)