Sorry for replying to my own post but I found the solution for this one aswell. :silly:
Found an Answer by Andre in a previous post:
…I think this could be partially related to the plugin, but hard to say. Try this though because I just did this to the live demo site…make your width 100% and height as auto in the slideshow settings.
By the way, that photo of the snowy trees reminds me of where I used to go skiing and snowmobiling as a kid. Great photo!