Effects In My Story

Hey guys,
I’m writing my story but I want an effect of an explosion type with a green haze (fog) across the screen. How do I do this? Or is this possible?

im sure you could do it with overlays

I know it’s possible but I think you need an overlay or those gif splashes or overlays or whatever they are called

You’d need to upload two separate overlays for this.
First the explosion; I have one if you’d like to use it, but otherwise you should look online for an explosion .png
With the green fog, I have this one:

You might just need to resize them to whatever you think might suit the story better.