/* open up chrome dev tools (Menu > More tools > Developer tools)
 * go to network tab, refresh the page, wait for images to load (on some sites you may have to scroll down to the images for them to start loading)
 * right click/ctrl click on any entry in the network log, select Copy > Copy All as HAR
 * open up JS console and enter: var har = [paste]
 * (pasting could take a while if there's a lot of requests)
 * paste the following JS code into the console
 * copy the output, paste into a text file
 * open up a terminal in same directory as text file, then: wget -i [that file]
 */

var imageUrls = [];
har.log.entries.forEach(function (entry) {
  // This step will filter out all URLs except images. If you just want e.g. just jpg's then check mimeType against "image/jpeg", etc.
  if (entry.response.content.mimeType.indexOf("image/") !== 0) return;
  imageUrls.push(entry.request.url);
});
console.log(imageUrls.join('\n'));