Clip Art: Dairy Products and Eggs
The Clipart Wizard - Dairy Products - A good listing of sources of online clipart images of various types of dairy products: milk, cheese, butter, ice cream, yogurt.
Web's Best Source for Food Clip Art - Dairy
Discovery School Clipart Gallery - Large black and white clipart of a milk carton and straw.
CoolCLIPS: Food - Meats & Dairy - A handful of cheese clipart are available here.