The first step to writing an effective text prompt is to get yourself into an artistic mindset. Firefly can only do what you tell it to do, so you must get used to describing what you want clearly and creatively.
This prompting guide breaks down best practices, tips and tricks for the most effective image generation for characters, environments, specific imagery and humans. It then guides you through refining those images , how to avoid the AI "look" and adjusting visuals through use of the Firefly side panel controls.