When looking through the 24 "Primula" images at Acclaim Images.com this Cowslips (Primula Veris) 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:
Cowslips (Primula Veris)
Stock photo of Cowslips (Primula Veris), spring flowers growing in a field in Sweden. Soft focus.

Some related terms for more images:
stefan sollfors,  wild,  spring flower,  field,  sweden,  yellow,  growing,  grass,  plant,  veris,  flowers,  primula,  green,  cowslip,  cowslips,  spring flowers,