Karl-Heinz Klug

Takes a random quote, picture or adcode from a text file and displays it anywhere in a WordPress Blog Template. To display the content, use <?php randomcontent();> anywhere in the template.
The data is stored in the file random.dat one line per content block (see sample). You can use text, html, adsense code, whatverver you want. Chmod the random.dat file to 777.

Bibs Random Content

Takes a random quote, picture or adcode from a text file and displays it anywhere in a WordPress Template

David Shanske

Daniel Jalkut (Red Sweater)

mantonr

Adds a JSON Feed to your WordPress site by adding <code>/feed/json</code> to any URL.
The JSON Feed format is a pragmatic syndication format, like RSS and Atom, but with one big difference: it’s JSON instead of XML. Learn more at <a href="http://jsonfeed.org/" rel="nofollow ugc">jsonfeed.org</a>.

JSON Feed (jsonfeed.org)

This plugin is simple to install, adds no weight to your site, and does what it says on the tin.

Bibs Random Content vs JSON Feed (jsonfeed.org)