oleh Diego Casorran (Pengembang) pada April 17, 2015 · tautan permanen

It does for me, and that's something the add-on always did in any case.

For example check the gangnam style: https://www.youtube.com/watch?v=9bZkp7q19f0

That does show the advert for you? If it does, or it does it on any other video, could you please provide further details such as the video url, an screenshot and details about your browser and bluhell version? Thank you!