Since it didn't tell you what ones you got right, I can't use my 76% as evidence (I got a lot of blurry pictures of forests, which are hard because it's either an AI or a low-effort background art asset), but while landscapes are the hardest, a bunch of obvious tells without hands or eyes (and the other well-known one: text) are:
Shoelaces. Or anything where things pass over and under other things. The AIs did really poorly with belt buckles too. Its sense of object permanence is entirely stochastic, and small details don't get a lot of virtual brain power devoted to them.
Straight lines and repeating patterns. "Human hand holding a 30cm ruler in front of a chain link fence" is probably AI kryptonite.
Symmetry. If there's a nontrivial object that's supposed to be symmetric, chances are, it won't be.
Swept curves and perspective. Another thing that's stochastic is the AI's understanding of how 3D spaces map onto 2D images.
Circular objects being transformed in 3D, like a roundabout being viewed in perspective, or a curved road moving off into the distance will typically be inconsistent with human expectations.
Of course, some of these mistakes are also made by human artists, but generally the human artists who make these mistakes also have amateurish colouring, lines or brushwork, and AIs are generally pretty good at emulating good brushwork.