It looks like the version on Sketchucation is not the latest.
Please download the latest one here:
http://www.landfx.com/index.php/kb/installation/item/646-how-to-install-the-sketchup-plugin.html
We just shot an hour long webinar showing off what the plugin can do. It will be posted here, no later than Monday, January 27:
http://www.landfx.com/index.php/videos/webinars.html
Lastly, we are also in the process of updating the documentation for, available here:
http://www.landfx.com/index.php/land-f-x/sketchup-connection.html
You're also always welcome to contact us directly, at http://www.landfx.com/support
--J