Here is where we are with our nice big plump hen: With the Wacom tablet and Corel Painter Essentials 2, I have been painting "over" the photograph. Very simple and gives great results! Using the colour picker, I copied the colours from the original photograph, then I applied the "digital paint" over a separate layer, using the palette knife tool.
I then copied this new layer and pasted it into an empty document. (I tried to remove the original layer, i.e. the photograph, but it was locked, and I didn't know how to unlock it in Corel Painter Essentials).
I know this is all cheating - no real creativity -, but I find it useful to use the tablet to get "into" a new project. + it makes me feel good!