For my third blog installment on graphic formats, I will go over raster graphics. Have you ever noticed when you zoom into an image or try to make one bigger that it gets grainy or pixelated or when you print some images they print blurrier than they appear on your screen? That is because these images are raster graphics and are a set size based on the number of pixels it contains and how dense those pixels are on a grid. Typically, the size is measured in dots per inch (DPI) or pixels per inch (PPI), which are essentially the same thing. As I discussed in Part I of this series, 72 DPI is typically referred to as a low-resolution image and is more commonly used in digital/web formats. 72 DPI images do not work well in print formats. Instead 300 DPI resolution is best for print and is considered high resolution. Therefore, pulling images off the internet or using your snipping tool is not sufficient for quality, professional-looking print ...