A "slide show" is a way of presenting a series of pictures, usually on a computer or a projector, where each picture appears on the screen for a short time before the next one comes up. Full definition
A photo slide show of local places, residents and events dominates the newly designed home page. (articles.chicagotribune.com)
For example, she creates slide shows on disk for relocating prospects. (realtormag.realtor.org)
A PowerPoint slide show with step by step animated examples of how to solve simultaneous equations, that pupils can use as algorithms if required. (tes.com)