In the special Popover Widget each item can be positioned through coordinates on top of a main image, which is chosen in the widget settings, and display content inside a dropdown.
The custom Slider widget displays the item's title above the media and displays content on hover. In addition to the default Slider options you can apply a custom arrow icon for the link.
Finch theme features a custom Slideshow widget, which incorporates the navigation into your content. Of course, all other Slideshow features are still included.