You can easily link to Dropbox photo file or folder on Mac. To do so, download and install 'Dropbox Desktop Application' on your computer. Right-click on the file to open its contexual menu or you can press the 'Control' button on your keyboard and click on the file at the same time. Choose "Share Dropbox link" option from the contextual menu. The link will be copied and you can paste it anywhere. This is how you can link to Dropbox photo file or folder on Mac.