Please, relocate the save button(s) somewhere, maybe to the top of the page. I needed to scroll the page to find them, which almost ruined otherwise very nice impression :)

Wow, really cool. That's probably the easiest way to publish anything -- literally.

The app I submitted (not mine btw) seems to focus more on simplifying already existing platforms i.e. tumblr, posterous. I think both are awesome in unique ways.

You should put a limit on your text boxes, I got a server error when giving it a really long title.