Virto Image Slider web part allows using four engines – default, Yahoo style, Carousel style and Hover Slide Effect style. Default engine is custom one. You can define any settings described above for default engines. Yahoo style engine has predefined settings, you can only set interval for picture slideshow. Carousel engine allows you to customize navigation arrows, enable mouse will and auto scroll, define animation speed, select vertical or horizontal style of appearance, define circular behavior and number of visible items and scrolling settings.