Credit to the Horry Georgetown Technical College. (Please don't actually contact them for help! Contact WVU's Ask a Librarian.)
The images you include in your thesis must be captioned. Here are the basic elements. The first 6 relate specifically to the content of the image or illustration. If your image content is not a work of art, you may not need all 6. After identifying the content of the image, you need to identify the source, in other words, where you got the image from. Use the list on the left to identify images from a book. Use the list on the right to identify images from a web site.
Picasso, Pablo. Homme au chapeau de paille et au cornet de glace. 1936. Oil on canvas. Musée Picasso, Paris. Web. 17 June 2011. <http://www.musee-picasso.fr>