Video Lightbox for Semplice using Image Thumbnails

Hi, I’m building a site using Semplice theme. Semplice does not offer lightbox for videos, so I installed Responsive Lightbox but am having trouble getting it to work.

On a page of my site, I plan to have a grid of images. When each image is clicked, I’d like it to open into a video lightbox that will play a vimeo video.

Can this plugin help with this? If so, can someone advise on the steps I’d need to take to make it work?

Thanks so much in advance.