To copy the direct link for only the image without the rest of the post content, continue. Right-click the image, and select "Copy Image Location" in Firefox or "Copy Image URL" in Chrome.

Navigate your browser to the Facebook image that you want to share. Right-click the image and click the option to copy its URL.

In your browser, right-click the image you want to upload and select "Copy image URL." (The exact wording may vary on any given browser.) Head to Facebook and click Add Photo/Video.