If you enabled both plugin and Joomla plugin field in VM configuration, and still do not get the plugin to show, this is probably because you use a 3rd party template wich doesn't support Joomla plugins. Provide a link so I can give more info.
- Need help? Post the URL of the related page (eventualy as confidential info), it will help solve your issue faster.
- An error, notice or warning? report the exact message including the line number
- If you get a white page , enable error reporting and / or check your server error logs.