A hack that allows you to quickly add images and links from Amazon Web Services. It can be used to make a "Now Reading" sidebar. Plug in your own Amazon Associates ID and when people click through and buy the book, you get a few cents.

This hack is a b2evolution implementation of captcha code.

A CAPTCHA test is a program that can generate and grade tests that most humans can pass yet current computer programs can't.

MagpieRSS is an RSS parser for PHP. @EdB shows how to integrate it with b2evolution so you can display the contents of an RSS feed in your sidebar.