DJ Image Slideshow allows you to show products in slideshow form.
At first, make sure that the additional fields are visible in the filters. You can do this in the settings of a particular additional field.
Notice that only select, radio and checkbox fields can be used in filters. Make sure that you select only those fields that you wish to be searched.
Secondly go to your product list template in builder and add new element - full filters.
Full filters element has following settings: