How to add icons to Templates

Hi,

So I am adding/importing templates into Scrivener 3 such as the Nanowrimo template. I noticed that all the built-in templates have icons that show up when you go to select a Template. How do I edit/add these icons?
Thanks

Select File > New Project…. In the project templates dialog, cmd-click on the project you want to change. Select Edit Template Info… from the pop-up menu.

Now, from the Icon: menu, select Choose…. Pick an image file from your disk to be the template’s new icon. Find more information in the Scrivener manual, section 5.3.4.

Hope this helps!