Sears Special Run
#495092 Stablemate Assortment IV
JCPenney Special Run
#711094 12-Piece Stablemates Set
There isn't too much to say about these guys. Breyer's splatter appaloosa technique results in a unique pattern every time, so every model produced for these two runs will be a variation. Let's just sit back and enjoy the spotty goodness.
In their database notes these three are identified as Large & Small, Many Medium, and Large & Sparse.