
Now, that's all well and good, but let's look at the project I started after that one.

This is how she looks on the work screen, and is how she's supposed to look. But here's what happens when I go to the preview:

Which is also how she looks when I export the animation. Which means whatever's going on here has made all of my work on this particular project completely pointless if I can't fix this.
I did at one point notice that the halo effect was on one layer, but I set it to plain when I noticed, and the rest were already on plain. Yet it still does this to every layer.