Best script to AI image generator?

Can someone give me a good AI program recommendation that can convert my scripts into images? I’m working on a project right now that essentially needs a slideshow overlay while I’m talking. Finding each individual picture as a stock image is too time consuming.

I’ve tried GPT4 and it only describes the images. It won’t produce visuals. Could be using it wrong but I’m sure someone has experience with this.

Thanks in advance.