The Custom Field Widget displays values of custom field keys, allowing post- and page-specific meta sidebar content with limitless applications.
Custom Field Widget displays the custom field values of a specified custom field key in your sidebar.
That's fine. Read the Use section for more information on using custom fields and possible applications of this plugin.
You could use it to display a graphic in the sidebar that you set on a per-post and/or per-page basis. Say you want certain posts/pages to include a graphic that aren't necessarily categorized together. Create a custom field with a common key and this widget will display the corresponding values in the sidebar.
No. See the Use section and let your imagination run wild.
No. I apologize as I am unable to help with modifications with any of my plugins.
Not even thanks for the plugin?
You're welcome. Enjoy.