I think it depends on the height of the prop and the angle you plan to have his head. If he is looking straight forward into your eyes...the deep stare on the right is menacing. If the prop is looking downward at you, the smile says...I'm going to harm you and I am going to enjoy doing it.
I really like a lot of the sculpting and aesthetics but many of the mechanics and movements don't look any more impressive than what many forum members can build.
The witch looks great and I love her cauldron but the average home built Cauldron Creep has better movement.
The Animated Reaper is another great looking prop but why does the soundtrack sound as if he is sharpening his sickle when there's no sickle movement?
I would be more interested in these as static props depending on the...
There's a great Apothecary Jar Label thread here:
There's a lot of great work for jars/potions on the forum.....I suggest you also look at a_grangers albums for ideas.
I use one of these in my underworld theme. It's essentially a series of fans blowing a silk sheet with lights. This ones about 4.5 ft tall. I am sure you could reproduce this easily.
There's also the Chauvet RBG Geyser
A few years ago you had a great home haunt....now your home is so much more. What you do now is both an annual attraction and a pilgramage destination. Its easily become one of the home haunting worlds "7 Wonders of the World"