For self-hosted WordPress blogs with version 2.0 or above, follow these steps: (see screenshot)

1. Install the Sidebar Widgets plugin from Automattic. Skip this step if you already have it installed.

2. Download the MyBlogLog widget file: mybloglog_wp_2.zip. Unzip its content into your WP plugins/widgets directory, located at /wp-content/plugins/widgets.

3. Login to your WP admin, click on the "Plugins" tab, look through the list of installed plugins to find the one called "MyBlogLog", and then click on "Activate" to activate the plugin.

4. Finally, click on "Presentation" tab, then "Sidebar Widgets" subtab. You will see MyBlogLog from the "Available Widgets" list. Drag and drop it to your template sidebar, click on the widget setting and follow the instructions on there to set it up.