Once the image is listed, you can right-click on a client or a group of clients and select "Edit Client." Under the image dropdown, select the link to your specific OS image. Where to Find Pre-Made Images
If you need details on setting up an actual image link in the CCBoot interface, let me know and I can provide a step-by-step guide. ccboot image link
This often happens when linking an image to a PC with vastly different hardware than the Master PC. Once the image is listed, you can right-click