I remember several years ago when my mother and I talked about painting with moss. Gardeners are told to use moss mixed in the blender with buttermilk or diluted yoghurt and then to brush the mixture onto the stone or other surface where they'd like moss to grow. We wondered about making living paintings, but didn't take the idea very far.
Today I found out about Heather Ackroyd and Dan Harvey, artists who develop photographic images using photosynthesis. Grass is their medium. Depending on the amount of light which gets through the negative, the grass varies from yellow to dark green.
The family tiny car project today evolved from Mark's discovery of a site featuring photos in which matchbox cars were held up so that they appeared to be the same size as parked cars. We challenged our extended family to try it out. Here are some of the results so far.