Hello, I am sure that whether you are a student or a teacher, you see slides in almost every lesson content, or in a project. So being a powerful supplementary material, slideshows offers us great flexibility and in some cases they are a lifejacket for us (especially when you are not prepared).
So, as an ELT student and more or less a graphic designer, I want to touch this slideshow preparation issue mostly by the design side, about how we can -as teachers or students, doesn’t matter- improve the quality of our slides and avoid being a doesn’t-fit-the-margin teacher. I will try to be as clear as possible, because most of the people complain that these technical terms sound like some kind of elvish to them. (they’re right, though.) So, let’s take a look at some aspects of preparing a bad presentation first: