Voozh

Description

With this plugin, Yahoo Messenger users can put a nice, fully customized image button that shows whether they’re online or not on their blog.

Download the archive file and decompress it. I can see that you’ve done this
Upload the whole folder named ym-online-status into your /wp-content/plugins/ directory
Activate the plugin through the Plugins menu in WordPress
Configure this plugin through the YM Status menu below the Options
Put the button anywhere you like in your theme files by adding this PHP function: . It’s up to you where you want to put it, but people usually prefer the sidebar.

What should I do in the configuration page: I’ve provided further information about configuring the plugin in my blog: ‘http://www.hudatoriq.web.id/wp-hacks/ym-online-status’.
How do I use my custom images as YM status button: It’s simple. Create a pair of images (online and offline button), Upload those images into /wp-content/plugins/ym-online-status/images/. See about the rules of naming the images at the plugin page http://www.hudatoriq.web.id/wp-hacks/ym-online-status