1. In the Left Tool Area, click on the Extensions tab.
2. The tool group ImageJ will appear containing the Apply tool.
   
2. To send an image from ZEN to ImageJ select the image in ZEN.
3. In the Apply tool, click on the Send Image button.
4. The image will be sent to ImageJ and opened within a new image frame. You can now edit the image within the ImageJ application.
4. To retrieve an image from ImageJ to ZEN select the image in ImageJ.
5. Click on the Retrieve Image button.
6. The image will be opened in ZEN.

1. You have successfully exchanged images between ZEN and ImageJ.