I found a face by a dark spot in the painting. I lightened the dark area and painted in the eyes and eyebrows.
With alizarin crimson I painted the mouth. using burnt sienna and raw sienna I painted the hair on the fairy.

If you would like more information about ACEO please go to my post on 11 March 2010.
The ACEO shown here is an original watercolour painting using Artist quality Winsor & Newton paint on 300lb. Arches 100% rag, acid free watercolour paper. It is priced at $20.00 and sold unframed.