Slideshow Plugin – Image is too wide (width) and too short (height)

Hello-

I just installed the Slideshow Plugin. It moves fine but the 3 images are fixed to a very wide/very short size.

I tried to change the size in the settings. from the default ratio of 3:1 to 4:3; and also changed the maximum width value from “0” to “600”; and changed the “Fit image into slide (stretch image)” setting default “Yes” to “No”