Not sure if I am going about things the right way though. I am adding text which the image suggests to me, maybe I should be making it far more general. On Zazzle you can always personalise messages on cards and postcards. I will have to chew this thought over if I want to make more (some would be nice!) sales.
thinking of you by ArtyfaxCards
More Green Postcards
You can see more about the paintings on my blog, Painting with John , and larger images on my Flickr account, see my set of pastel paintings