[Plugin: My Category Order] How can I make this plugin to work ?

Hi,

I would like to know how can I do this plugin to work. I’m using a 3.0.1 wp version, I installed this but it’s not working.

I cant find that code to edit on my sidebar template. What should I do ?

My url is http://www.mixxbingo.com

Please help me!

http://wordpress.org/extend/plugins/my-category-order/