Hi, I needed a page with a thumbnails gallery that would load videos inside shadowbox when a thumb is clicked.
This is a little tricky, but it works very well.
The idea was to keep it as simple as possible.
It uses ProPlayer shortcode, where the value of the param image is your thumbnail adress.
I also added a param "title" which will be the title of your shadowbox.
The code to put in your page for this is
Here is the code (only JS and CSS ! :))