When looking through the 1690 "Apple" images at Acclaim Images.com this A Golden Delicious Apple 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 Golden Delicious Apple
Close-up of top of a golden delicious apple with shallow depth of field

Some related terms for more images:
still life,  crispy,  nutritious,  crunchy,  fruit,  slimming,  swtteness,  golden delicious apple,  diet,  nutrition,  texture,  st yiap,  high fibre,  freshness,  dieting,  stalk,  green,  vitamin c,  healthy,  sweet,  juicy,  succulent,  natural,  luscious,  goodness,  wholesome,