The Play-button is animated when you hover the mouse over the thumbnail. Clicking the play-button will open the video in a lightbox.
Demo:
https://www.wysiwygwebbuilder.com/suppo ... llery.html
More information:
https://www.wysiwygwebbuilder.com/videogallery.html
A demo version can be downloaded via the Extension Manager (Menu->Tools->Extension Manager->Online Gallery->Video).
The demo is fully functionality, however the properties will not be saved.
The price is $7.95
https://secure.2checkout.com/order/chec ... T=1&CARD=1