C2A gives you the opportunity to associate your own images and your own observations with objects present in the maps. To get details on the way you make these associations, consult the section How to display your own images
The command User images and Obs... in the Images menu invokes a tool for managing images and observations that are in directories specified by the user (Paths tab in the la Options dialogue box). Maj+Ctrl+F11 is a shortcut for this command.
All the images and observations found in the specified directories are displayed in the list at the center of this tool.
To get information on one of the components of this window, left-click on it in the image below: