We don't store your data and you won't upload any images directly to our server. In order to upload an image to the Organizer panel, you’ll have to use a third-party image-uploading tool (e.g. imgur.com).
Upload your image on the image-hosting site as shown in the diagrams below.
Copy the link to the image using the right mouse button choosing Copy Image address as shown in the diagram.
Enter the link into the Polys image field using the right mouse button or key combination Ctrl/Cmd + V and click Done.