Sharing preshow images
While you’re waiting for your talk to begin, or during breaks for longer presentations, you can run an image slideshow with a timer.
Create a _preshow directory to your presentation and add any images you’d
like to show. If desired, you can also put a preshow.json file in the same
directory with descriptions of the images.
$ tree
.
├── _preshow
│ ├── image01.jpg
│ ├── image02.jpg
│ ├── image03.jpg
│ ├── image04.jpg
│ └── image05.jpg
[...]
├── section_one
│ ├── 01_introduction.md
│ └── 02_more_content.md
└── showoff.json
Press P, enter the number of minutes until the presentation begins and enjoy
the slideshow. Press P again to cancel the timer and return to the
presentation or just wait until the timer runs out.