Thomas Bensmann have created a nifty little plugin for WordPress that lets you embed App.net posts, among other things. So does it work?
Are you on ADN? Of course you are, let me rephrase: Do you have a (self-hosted) #WordPress site? Then you should check out this plugin by @thomasmb to embed ADN posts, show them in widgets, and more.http://www.bensmann.no/downloads/wordpress-adn-plugin/