Zenphoto manages some types of multimedia files (image, video, music, ...) hosted on its own webspace, but is not natively designed to manage online videos (eg videos hosted on YouTube).
But in fact, there is a way since Zenphoto 1.2.6 to add online videos in the gallery (see here for all details):
- In admin panel, activate the class-textobject plugin
- In an album in your gallery, download a text file (.txt, .htm or .html) containing embedded code to your video
- Optionally use a different thumbnail than the default one by following these instructions
I made some adaptations on the theme zpBootstrap to manage these videos in the gallery (on GitHub, use the master version). In particular, the display of videos is responsive, and videos hosted on YouTube and Vimeo can be played directly from FancyBox.(...)