Navigate to the Connections : Templates admin page and click the Customize button for cMap.
The page will reload displaying the Customizer on the left and a preview on the right.
Click the back arrow in the upper left of the Customizer.
Now, click the Image panel.
Here you can choose your crop mode and define image size.
Take time to read the instructions displayed above the directory in the preview. You will have to click an entry name in the preview so it displays the entry profile. Make the changes to the Image settings again.
Again, click the back arrow in the upper left of the Customizer.
Click the Bio tray image panel. Here will will be able to make the same changes to the image displayed in the bio content tray.
After all your changes are complete, click the Publish button and and exit the Customizer.
Hope this helps!