In answer to a friend's query: First I took an ordinary lousy photo of some wildflowers I picked--this is untouched photo: (click all these to see larger) then we used "levels" & "contrast" on photoshop:
then we played with channels (of colours) some:
then we tried desaturating:
then we played with channels some more:
then we cropped out a really yummy tile:
and with our little tile.....
we tiled out some bigger pieces of digital real estate: