I'm really sorry for asking this rather novice question, but yeah I'm rather new to WordPress and plugins.
Anyway, I installed OGraphr on our wordpress site due to the fact that it does open graphs as well as video thumbnails, but after installing and activating OGraphr, I have no idea where to find it or how to implement it on my videos.
So I would really appreciate it if you give tips to a relative newbie like me on how to make OGraphr work with my videos to make video thumbnails on facebook. Thank you very much in advance! :)