It would be better if adding custom icons to the Indicator widget on ArcGIS Dashboards was easier, such as by allowing users to upload image files or insert image URLs.

The text suggests two ways to improve the process of adding custom icons to the Indicator widget on ArcGIS dashboards:
- Allow users to upload image files.
- Allow users to insert image URLs.
Benefits of these changes:
- Making the process of adding custom icons easier would save users time and effort.
- It would also make it more likely that users would use custom icons, which would improve the overall look and feel of their dashboards.