After upload of the images you can find all images in 2JToolBox / Instance Settings / Resources. There you’ll see listing of the uploaded images. You can edit settings of every image there. Physical location of the images it’s joomla media folder.
Our image related extensions support upload of the images from the server directory. For this proposal implemented Scan Images function. This section implemented with AJAX interface, as result it’s simplify process and speed of upload batch of images to the resources. Please check our video guide for Scan Images function.