: Search for "16681309726214132" in the filter box. If the image is loaded on the page, its specific URL will appear.
: Press F12 or Ctrl + Shift + I (Windows/Linux) or Cmd + Option + I (Mac) on the webpage where the image is hosted. Download IMG 16681309726214132 jpg
If you know the filename but can't find the image on a page, use the tab to locate the source URL. : Search for "16681309726214132" in the filter box
: Select the Network tab and filter for Img (Images). Download IMG 16681309726214132 jpg