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.
You do not need this plugin with b2evo 2.0.x which has embedded support for categories.
Check Blog settings > Category List Widget