Ghouls (Mantic Games), Angmar
Dragon of Ancient Times (Llama), Misty Mountains
Sauron (Games Workshop), Mordor
Mordor Trolls (Games Workshop, modified by Llama), Mordor
The Ringwraiths Abroad (Llama), Mordor
Pictures below for other purposes other than to show off. In fact, the Mahûds were supposed to be black-and-white (AKA grayscale) to avoid copyright BS, but something got horribly wrong and the other two, size-comparisions got it instead. Well...