Hi @raywood
The method in your link is not accurate, or at least is confusing.
Do this instead to set the default duration the images imported in Shotcut:
- Drag an image in the Source panel (the player)
- Go to Properties
- Change the Duration
- Click the Set Default button.
From now on, all the new images you’ll import in Shotcut will have this duration.
This also sets the duration of some of the generators in Open Others… (like color clips for example)