Gallery Thumbnails are too big

Hello,

I have a paid version of the plug in and am using the Thumbnail view. Instead of the Thumbnails showing up at the 270px wide size, they are showing up at 640px wide. The videos are all vimeo links.

here is a link to my page:

http://infinite-earth.com/documents-and-files/videos/

Thanks

~KKirwan

https://wordpress.org/plugins/gallery-video/