the author of this app says:
Allows one post to send to multiple blogs and networks!
Multipost is the only blogging and social media app you'll need. Multipost allows you to post to several social networks and blogs at the same time, and with only one post! No more do you have to go to different websites to post to Facebook, Twitter, Wordpress, Blogger, Tumblr, Flickr, and more to post to your blogging and social media sites. Multipost does it all for you in one step!
Multipost lets you browse the web and easily copy and paste text and images for posting. You select where you want to post whether it's to one or all of your blogs and social media sites and Multipost posts to them with one click. You can also include images in all of your posts!
Multipost enables you to post just links of your content or to select text from the browser windows where it will copy the text and the images for you.
Multipost also includes for you to check updates on your social media sites like Twitter, Facebook, and Linkedin. It also includes all of your blogs like Wordpress, Blogger, Tumblr, Posterous, and Flickr all in one place and within the Multipost app.
What's New in version 1.2
Bug fixes and added help section. Additional minor features added.
- Requires iOS 4.2 or later.