How to make a list with only images?

Creating lists with images?

• who can answer this question: creat a list that resembles a folder navigation tree. use two images: an image representing a closed folder and an image representing an open folder. place at least five items in folder tree. make the last list item positioned on the inside of the list and display an open folder for the list item maker. you may use only one list and only two rules; and cannot use any class or id names. *the images can be different. *it should be write by css or html

• Answer:

  Sounds like homework.. too lazy to do it yourself???