The WordPress for iPhone open-source application lets users create and edit content on their WordPress blogs and comes complete with the following features: support for WordPress blogs and self-installed WordPress blogs (version 2.5.1 and higher); embedded Safari for true previews of posts; full support for tags and categories; photo support for both camera pics and library photos; support for multiple blogs; ability to password-protect a post, save as draft, or mark for later review; and an auto-recovery feature that recovers posts interrupted by phone calls.
Now, I just need an iPhone?