Picture slide show part of why?

After you add the pictures, in the foreground show only a small part of the picture. How to display the full picture, and slide like to add pixels it?

And the image size is related to it?
How to add pictures to display the entire picture

I think that your problem is related to the height of the module that you can set in the styles options
you must set a height, in px for a fixed height, or in % for a responsive height
You can try with the default data preinstalled into the module, it should show correctly