A: Unfortunately, current version of VisualSlideShow doesn't allow to do it automatically.
You can resize your images in any graphic editor and then add them in VisualSlideShow.
Your images should have the same sizes as a slideshow will have.
Also, you can try to use another our product WOWSlider:
It supports landscape and portrait images in the same slideshow.
For troubleshooting, feature requests, and general help, contact Customer Support at . Make sure to include details on your browser, operating system, Visual SlideShow version, link to your page.