I tried run templates from http://zennolab.com/discussion/threads/besplatnye-shablony-dlja-obuchenija.7916/
but i have same issue to run
i think problem with my zenno poster
i still don't understand what to do
1
<iframe width="560" height="315" src="https://www.youtube.com/embed/nsf1DqllUfo" frameborder="0" allowfullscreen></iframe>