Smithsonian Institution
National Museum of African Art:the Diversity of African Art
Students who visit this resource can conduct an image search through both traditional and contemporary African art. The search can even be specified to an African country or a specific ethnic group.
Other
University of Pennsylvania: Traditional African Art
A wonderful collection of images that includes masks, carvings, instruments, sabers, jewelry, furniture, terracotta and much more. Some have a brief description of their importance or meaning.