tags not working

I have installed the plugin and it looks great but it is not pulling related posts that are actually related. Some of the posts it’s pulling have no tags in common with the post being displayed and it is displaying the same posts for every page.

http://alpinetraveler.com/chocolate-train/
http://alpinetraveler.com/ballenberg-museum/

thanks for your help!

https://wordpress.org/plugins/advanced-css3-related-posts-widget/