When looking through the 463 "Poppy" images at Acclaim Images.com this A Poppy Backlit by the Sun 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 Poppy Backlit by the Sun
Stock photo of a red poppy backlit by the sun. Selective focus on the petals.

Some related terms for more images:
red poppies,  blossoms,  petals,  flowers,  wild flower,  poppy flower,  red poppy,  florals,  poppy flowers,  red flower,  blooming,  red flowers,  studio 33 photography,  wild flowers,  poppy bloom,  stamen,  stamens,