Beginning with AppDynamics version 4.2.x, users can embed images directly into custom dashboards by encoding them as base64 and then using the encoded version as data:image/png;base64,<based64 encoded image> in the image's URL field.
data:image/png;base64,<based64 encoded image>
Encode an image using the following tool: base64-image
Paste the code in an image widget in the custom dashboard:
Thank you , Very useful and simple way to do it.