When looking through the 1304 "Grain" images at Acclaim Images.com this Abstract Selective Focus of Wooden Chair 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:
Abstract Selective Focus of Wooden Chair
An abstract photograph of a wooden chair back

Some related terms for more images:
grain,  wood,  line,  wooden,  texture,  orange,  lines,  abstract,  raine vara,  selective focus,  textures,