When looking through the 1494 "Beverage" images at Acclaim Images.com this A Glass of Soft Drink 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 Glass of Soft Drink
A glass of soft drink in warm tone.

Some related terms for more images:
spiral,  beverage,  st yiap,  still life,  drinking straw,  liquid,  summer,  party,  glass,  ice,  refreshment,  refreshing,  chilled,  soft drink,  sweet,  cold drink,  water,