I add code according to this tutorial
and it looks fine but when i click on img in lightbox appear video and some white square on video - it look like plugin wants to load img, after click somewhere on screen this white square disappear, and stays only video
the code is in K2 article and in yjsgstabs (tabsleft)
Are you sure your are posting in product assigned forum?
What is your CMS version?
: Joomla 3.x
Link to installation
Have you edited any files? If yes tell us which ones.
Is this personal or client website?