20 minutes course: image thumbnail uses PG_Image instead of the_post_thumbnail

I did a quick lookup and I think you are referring to this video


That’s an old(er) one, from 2015. Which was for Pinegrow v2, There is a lot changed since then! You can better follow and watch the more recent Wordpress Tutorials, to get a better understanding how things are working now in the current v5 interface and learn also about the “Smart Actions”.


And there is a lot of Wordpress information in the documentation.


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