When looking through the 985 "Dining" images at Acclaim Images.com this A Whole Pepperoni Pizza. was a favorite.
All of their pictures are hand picked, availiable in a number of formats, and you can even get custom prints and posters.

Description:
A Whole Pepperoni Pizza.
Stock Photograph: A whole Pepperoni pizza.

Some related terms for more images:
restaurant,  italian,  cuisine,  delicious,  snack,  vertical,  comfort food,  eating,  lunch,  cheese,  pizza,  dining,  fresh,  dinner,  fast food,  meal,  pepperoni,  pizzeria,  take out,  culinary,  nourishment,  whole,  take away,  steven james haggard,  round,  junk food,  tasty,  appetizing,  party,