When that happens, try to make a collage of images, then use that collage as one of your frames in a slideshow. There will definitely be times you just don't have really sharp images. They could be old pictures, scanned images, or something you pulled from the internet. Sometimes, you just don't have the best image quality. When you don't have pixel-dense images, make a collage.Use the highest-quality images you have for slideshows. Typically, a slideshow is the focus of an event or gathering, and everyone will be watching and critiquing your work. Remember that when you make a slideshow, all eyes will be on your creation. Here are a few tips to keep in mind before you start your slideshow-making process: There are a few things to keep in mind when you want to create slideshow. How to Make Stunning Photo Slideshow on Mac Here, we'll walk you through how to make a slideshow on your Mac, both photo and video slideshows, and tell you about a really great app you might find really useful for making slideshows. To make slideshows on Mac, it's best to use a proper slideshow maker app. There is the picture slideshow, which is the most popular, but also those which mix photos and video. When you want to know how to make a slideshow, you have plenty of options to consider before you actually make a proper slideshow.