Here is the frustration with AI image tools. The technology is astonishing, and most church staff still stare at the blank prompt box with no idea what to type. So they write "make a graphic for our worship night," get back something generic and slightly off, try again, get something else that misses, and eventually give up and open Canva.

The image model does its job. What trips people up is the prompt. A great AI image comes from a prompt that specifies the right things in the right way, and most people do not know what those things are or how to phrase them. Learning to write one from scratch every time is a real skill, and staff turnover means you keep losing it.

So take that skill off your team's plate. Build them a tool that writes the prompts for them. In this article you will build an AI image-prompt generator: a single reusable prompt you paste into ChatGPT or Claude that interviews you in plain English and hands back a complete, correctly-sized, ready-to-use image prompt for any graphic your church needs.

What a Good Image Prompt Actually Contains

Before you can build a generator, it helps to see what it is generating. Every strong image prompt spells out a handful of specific things and leaves nothing to the model's guesswork:

• Subject. What is actually in the frame.
• Style. The look you want, like a photograph, flat vector art, watercolor, or clean line art.
• Composition. How the shot is framed, and crucially, where to leave empty space for your text.
• Mood and lighting. The feeling, like soft morning light or bold high-contrast drama.
• Text. Any exact words you want rendered in the image, spelled out precisely.
• Size. The dimensions for where it will actually be used, so it does not show up cropped or blurry.

That last one trips up almost everyone. The right size depends on the destination: a square 1080 by 1080 for a standard feed post, a taller 1080 by 1350 for more reach, a vertical 1080 by 1920 for Stories and Reels, a wide 1920 by 1080 for sermon slides and website banners, or a print-ready 2550 by 3300 for flyers and handouts. Naming the size in the prompt is the difference between a graphic that fits and one you have to redo.

A non-designer cannot be expected to hold all of that in their head. The generator holds it for them.

The Image-Prompt Generator

Paste the prompt below into ChatGPT or Claude once. From then on, your staff just describe what they need in plain words, answer a couple of questions, and receive a finished image prompt to copy into whatever image tool you use. Consider dropping it into a shared Claude Project or saving it as a reusable prompt so the whole team has it.

You are an expert AI image-prompt engineer who helps church staff create
great graphics without knowing anything about prompting. Your job is to
interview me briefly, then write a complete, ready-to-paste image prompt I
can use in an AI image generator like ChatGPT Image, Gemini, or Midjourney.

HOW TO WORK:
Step 1. I will tell you, in plain words, what graphic I need (for example,
"a poster for our fall retreat" or "a background for a Bible verse card").

Step 2. Ask me ONLY the questions you genuinely need to write a great prompt,
and ask them all at once as a short numbered list. At minimum, find out:
- Where this graphic will be used (so you can set the correct size).
- Whether any exact text must appear IN the image, and the exact wording.
- The mood or feeling we want.
- Any style preference (photo, illustration, flat vector, etc.), or whether
you should recommend one.
- Whether we have brand colors to match (ask for hex codes if yes).
Keep the questions plain and few. Do not overwhelm me.

Step 3. After I answer, write ONE complete image prompt that specifies:
- Subject, style, composition, mood, and lighting in vivid, concrete detail.
- Clear instruction on where to leave empty space for any text we add later.
- Any in-image text spelled out exactly, in quotes.
- The correct pixel dimensions for the destination I named.
- If I gave brand colors, weave them in with their hex codes.

Also give me:
- A one-line note on which image tool would handle this best and why.
- One optional variation I could try for a different feel.

RULES:
- Write the final prompt as a single clean block I can copy in one action.
- Assume I am not technical. Never make me define art terms; you handle that.
- Keep everything church-appropriate, warm, and non-cheesy.
- Do NOT use em dashes.

Start by asking me what graphic I need today.

The first time you run it, notice what it does. You say "I need a graphic for a young adults worship night," and it skips the guessing and asks the 4 or 5 questions that actually matter, then hands you a paragraph-long, precisely-sized prompt you can paste straight into an image tool. Your least technical volunteer can now produce a professional prompt on their first try.

How to Roll This Out to Your Team

A tool only helps if people use it. Three moves make this stick.

First, save the generator somewhere the whole team can reach it, a shared Project, a pinned doc, a note in your communications channel. Prompts that live in one person's chat history die with that person's memory.

Second, pair it with one image tool you standardize on, so people are not also deciding which model to use. Pick one, learn its quirks, and let the generator feed it.

Third, and this is the honest part, teach your team that every image is a first draft. The generator gets you a strong prompt and the model gets you a strong image, and you still finish the job: drop the final text and your logo on top in Canva, make 2 or 3 versions and pick the best, and check that it actually looks like your church. AI removes the blank-page paralysis and most of the labor. Human taste still does the last 10 percent.

Where to Get the Specific Prompts and the Matching System

This generator is the do-it-yourself engine. If you would rather start from proven, ready-made prompts for the exact graphics churches need most, staff headshots, coloring pages, verse cards, sermon-series art, event posters, and more, the #AiForGood newsletter's guide to ChatGPT image generation for churches lays them out with the specific prompts, plus the one brand system that makes everything you create look like it came from the same design studio. Use the generator for your one-off needs, and lean on those proven prompts for the recurring ones.

And if you want to build broader AI fluency across your whole communications workflow, from images to the writing, planning, and repurposing around them, the ChatGPT for Churches course teaches the prompting skills that make tools like this second nature for your team.

Your staff need one tool that turns "I need a graphic for the retreat" into a prompt that actually works. Build it once, share it, and watch the blank-box paralysis disappear.

Frequently Asked Questions About ChatGPT Image Generation for Church

How do I write a good AI image prompt for church graphics? A strong prompt specifies the subject, style, composition, mood and lighting, any exact in-image text, and the correct size for where the graphic will be used. You do not have to memorize all of that. A reusable "generator" prompt can interview you in plain English and assemble a complete, correctly-sized prompt for you.

What size should church social media graphics be? Use 1080 by 1080 for a standard feed post, 1080 by 1350 for a taller post with more reach, 1080 by 1920 for Stories and Reels, 1920 by 1080 for sermon slides and website banners, and 2550 by 3300 for print-ready flyers. Always name the destination size in your prompt so the image is not cropped or blurry.

Which AI tool is best for making church graphics? Several work well, including ChatGPT Image, Google's Gemini, and Midjourney, each with different strengths for text, detail, or artistic style. Standardize on one tool so your team is not also deciding which model to use, then feed it strong prompts and finish each graphic in Canva.

Do I need design skills to make AI church graphics? No. A prompt generator handles the technical decisions, and an image model handles the creation. Your remaining job is taste: make a couple of versions, add final text and your logo in a tool like Canva, and confirm the result looks like your church. AI removes the blank page and most of the labor.