High quality vector clipart images are integral to creating great looking team logos and t shirt designs for a number of reasons. For starters, dynamic graphics are simply more interesting to look at. By choosing to use well composed and interesting clipart, designers are more likely to build strong shirt designs. Secondly, images that stand well on their own tend to work with fonts and other design elements easily. In general, it is easier to create great design when you start with really good focus images.