None of them are worth a shit, though. You pretty much have to know how the character works so you can tell them what to do and when to do it. You may even require special variables so you can better keep track of situations.
Re: Fighter Factory Studio 3.5.3 (UPDATED June, 16)
I imported my configuration from 3.5.2 and I swapped Ctrl+S and Ctrl+Shift+S (honestly, they all should be the other way around since I rarely want to save all files at once), yet for some reason Ctrl+S doesn't save anything. I checked the macros menu and it's there so IDK what's happening.
Because you’re adding color, which in 8-bit RGB, goes from 0 (darkest) to 255 (brightest) for each component. It’s basic addition on the individual components.
You got it working in one case, with a red effect, on a stage with mostly blue. Of course those values are going to behave nicely in a RGB color space. Try it on a background with more color variation and it won’t work as you expect, especially since as I said, you’re always adding color and never subtracting (though I also mentioned why subtracting isn’t going to exactly work, either).
I think you completely misunderstood Byakko’s post.
What he meant was have one layer use subtractive transparency (the bottom) and the top use regular additive.
What you do does nothing but add, which will never work.
Even Byakko’s suggestion wouldn’t be perfect. Say you have a background with a red of 64. Your effect has a red of 72. When you subtract, you’ll get 0 because colors can’t be negative values. So when you add it back, you’ll get 72 rather than 64.