As per the documentation and the appropriate entry in the GDC 3.20 Upgrade Guide
http://4js.com/online_documentation/fjs-gdc-manual-html/#gdc-topics/c_gdc_migrate_320.htmlThe ability to configure the default local image directory on the Preferences tab for the GDC monitor no longer exists, as images are no longer searched for locally.
Rather than having to deploy custom images with the GDC, the expectation is that you would place them on the back-end server and use FGLIMAGEPATH. Have a read of
http://4js.com/online_documentation/fjs-fgl-manual-html/#fgl-topics/c_fgl_images_resource_spec.htmlhttp://4js.com/online_documentation/fjs-fgl-manual-html/#fgl-topics/c_fgl_EnvVariables_FGLIMAGEPATH.htmlReuben