Therefore, if you are preparing a PowerPoint presentation for a room full of people, just make sure you have the correct video adapter. The range is not what you will call extensive, but still 30 categories of free templates offer plenty of options to choose from. Just about every organisation has a template that you’re supposed to use when you create a PowerPoint presentation. Geetesh Bajaj: Always start your presentation on paper — draw your ideas, link relationships between concepts, and create a storyboard. There are more than 50000 PowerPoint backgrounds, templates, and even useful clip art that you can download.