I painted in the trees on either side of the painting first and then added the grasses and growies to the bottom of the painting.
Lastly I put a couple of birds into the sky.

If you would like more information about OSWOA please go to my post on 12 March 2010.
The OSWOA shown here is an original watercolour painting using Artist quality Winsor & Newton paint on 140lb. Arches 100% rag, acid free watercolour paper. It is priced at $40.00 and sold unframed.