BACKGROUND: I've uploaded a few folders of images for students. There is a feature of folder that you cannot view an image, only download it. http://docs.moodle.org/24/en/Folder_resource_FAQ#Can_I_prevent_forcedownload_behaviour_in_files_in_a_folder.3F
I've just posted a tracker item here: https://tracker.moodle.org/browse/MDL-41121 to see if this could be changed.
How do people make a folder of images quickly available to students to browse through and download the ones they want?