I suppose you're right. Let's go with this one instead:

This one is pretty obvious, but it looks interesting, so I'll go with it:

Ah. I was thinking wall, but it's a floor. The pool screen.

I can't immediately place it. It has to be KQ1SCI or KQ4, and of those, I think the latter is more likely. I just don't know where in the game it would be. Maybe the ogre's house?

Let's go with an easy one:

Is it from the genie cutscene?

No.

Here's one:

One of the Two Guys running around the giant robot arena at the end of SQ3?

Correct.

Certainly not.

No.

That doesn't have big areas of solid red, so no.