# Engine types

Source: [https://docs.virtosoftware.com/docs/virto-slideshow-image-carousel-web-part/administration-and-usage/virto-image-slider-web-part-settings/engine-types/](https://docs.virtosoftware.com/docs/virto-slideshow-image-carousel-web-part/administration-and-usage/virto-image-slider-web-part-settings/engine-types/)
Product: Virto Slideshow & Image Carousel Web Part
Updated: 2026-08-12


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.

![Engine type dropdown listing Default, Yahoo, Carousel, and Hover Slide Effect styles in the Virto Image Slider](https://img-docs.virtosoftware.com/wp-content/uploads/2024/10/engine_types_1.png)