Working with Nextgen Gallery and TinyMCE Widget

Hi i am trying to get the above plugins to work together. When i press the green button to select my Nextgen gallery nothing happens. I am sure i am not the first person to come across this. I am hoping is an easy fix.

https://buckspartycruisesydney.com.au is my site

Many thanks

Danny Kirk

P.s. love the plugin

https://www.ads-software.com/plugins/black-studio-tinymce-widget/