When you insert pictures to your org chart (see how to create organization chart with picture) or other SmartArt chart with pictures, you don't need another program to prepare pictures. PowerPoint provides you a feature rich functionality for cropping, rotating, painting, and other formatting needs.

For business presentations, you often need to show an organizational chart like a future business structure chart or a corporate structure chart. PowerPoint has the predefined organization chart templates that make organization structure editing not harder than editing a simple list of items.