Flesh Hounds of Khorne
made from Chaos Warhounds with Bloodletter horns:
Beasts of Nurgle or "Plague Hounds"
made from Vampire Count Dire Wolves with 1 single horn:
Screamers of Tzeentch or "Griff-Hounds"
made from Chaos Warhounds with greenstuff beaks leaping off fire:
Horrors of Tzeentch:
Lords of Change:
Made from Vampire Count Flayers, Reaper miniature wings, a Necron Warscythe, various High Elf bits and plenty of green-stuff.