Second Update For Today:

Moving along with the painting.  Here I've added the roaning to the neck and will start lifting it in spots.

This is after some lifting and more layers.

Here I've pinked out the muzzle and areas of the face.

Now I've gone back and covered most of the flesh in black with small spots showing through. I'm also adding more layers to the white appy spots on the neck, upper body and face.

Still more layers. She's got a ways to go yet. But she's getting better each time I work on her. (I think)

Painting Underway:

I've started on the Babyflo's paintjob.

First I've started pastels. She's here a light golden orangy chestnut. 

More layers. Slowly getting darker.

Now  I've detailed the musculature and taken her even darker.

Now I've finished so far with the pastels and now what I've done is put a dark brown wash over her in acrylics, and blackened the eyes. 

I guess I jumped ahead a bit but it didn't seem so.  What I did here is I've gone back and taken black and dark brown pastels and darkened her head a little more. I did another wash, then I have taken thinned down white and started roaning out the areas where her appy markings are going.  She's roaned out a lot, so it's looking really sloppy and messy at this point.  It'll change though. What technique I'm using right now is the wet lift method. I take the white and paint the area and while the paint is dry but yet still soft, I take wet brushes and wet q-tips and roll over the white to dilute it on the horse and lift it off in certain areas. Then go back and repaint hairing and more opaque spots with more white paint. 

This last picture below is a bit blurry, (sorry) but I'll add more today. This is after I've lifted much of the white away to clean up the pattern and define the darker sections. I think it's easier to understand what I'm doing by looking at the changes in the progress pictures more than my typing it out. Also.  Let me put up a reference picture of the actual horse I'm basing this model loosely on.  That may help to see what inspires this model. 

Reference.