The document provides tips for designing effective presentations without spending much time or effort. It recommends stealing the color scheme and theme from existing presentations on Slideshare. Readers are instructed to locate a presentation they like on Slideshare, take a screenshot to capture the exact color codes, and apply those colors to their own presentation for a professionally designed look with little work. Specific steps are outlined, including finding presentations, taking screenshots to identify font colors and backgrounds, and applying the stolen themes to quickly create an appealing presentation.