LocalBanana
Tutorials30 min readJanuary 30, 2026

Complete Prompt Engineering Guide: From Beginner to Expert

Master AI prompt engineering with this comprehensive guide. Learn prompt structure, vocabulary, advanced techniques, and expert tips to create stunning AI images every time.

L

LocalBanana Team

@LocalBanana_io

What is Prompt Engineering?

Prompt engineering is the art and science of crafting text instructions that guide AI image generators to create exactly what you envision. It's the bridge between your imagination and AI-generated art.

Whether you're using Nano Banana (Google Gemini), Midjourney, DALL-E, or Stable Diffusion, mastering prompt engineering will dramatically improve your results. This comprehensive guide covers everything from basic principles to advanced techniques used by professional AI artists.

What You'll Learn

  • • The anatomy of effective prompts
  • • Essential vocabulary and keywords
  • • Advanced techniques for precise control
  • • Common mistakes and how to avoid them
  • • Pro tips from experienced AI artists

Part 1: Prompt Fundamentals

The Anatomy of a Prompt

Every effective prompt contains several key components. Understanding these building blocks is essential for consistent results.

Basic Prompt Structure

[Subject] + [Medium/Style] + [Lighting] + [Mood/Atmosphere] + [Technical Details]

Example:
"Portrait of a young woman" + "oil painting style" + "soft natural light" + 
"peaceful, serene mood" + "detailed brushwork, canvas texture"

1. Subject (Who/What)

The main focus of your image. Be specific:

  • Vague: "A woman"
  • Better: "A young woman with curly red hair and freckles"
  • Best: "A young woman in her 20s with curly auburn hair, light freckles across her nose, wearing a cream linen blouse"

2. Medium/Style

How the image should look:

  • Photography: "photograph", "portrait photography", "street photography"
  • Art styles: "oil painting", "watercolor", "digital art", "anime"
  • Film stocks: "Kodak Portra 400", "Fuji Pro 400H", "Velvia"

3. Lighting

Lighting defines mood and dimension:

Lighting Keywords

Natural Light:
- "soft natural light"
- "golden hour"
- "overcast day"
- "dappled sunlight through trees"

Studio Light:
- "studio lighting"
- "softbox lighting"
- "beauty dish"
- "ring light"

Dramatic Light:
- "rim light"
- "backlit"
- "chiaroscuro"
- "low key lighting"
- "high key lighting"

4. Mood/Atmosphere

The emotional quality of your image:

  • Positive: "joyful", "peaceful", "energetic", "romantic"
  • Moody: "mysterious", "melancholic", "dramatic", "ethereal"
  • Neutral: "calm", "serene", "contemplative", "minimalist"

5. Technical Details

Camera and composition specifics:

  • Lens: "85mm lens", "35mm wide angle", "macro lens"
  • Depth of field: "shallow depth of field", "bokeh", "everything in focus"
  • Composition: "rule of thirds", "centered", "symmetrical"

Part 2: Essential Vocabulary

Quality & Detail Words

Words that enhance overall image quality:

Quality Keywords

High Quality:
"highly detailed", "intricate details", "sharp focus", "professional quality",
"masterpiece", "award-winning", "stunning", "breathtaking"

Texture & Material:
"smooth", "rough", "glossy", "matte", "metallic", "organic", "weathered"

Resolution:
"8K", "high resolution", "crisp", "crystal clear"

Style & Aesthetic Words

Style Keywords

Photography Styles:
"editorial", "fashion photography", "documentary", "candid", "lifestyle",
"fine art photography", "commercial photography"

Art Movements:
"impressionist", "surrealist", "minimalist", "baroque", "art nouveau",
"pop art", "contemporary", "classical"

Modern Aesthetics:
"aesthetic", "vaporwave", "cottagecore", "dark academia", "cyberpunk",
"solarpunk", "indie sleaze", "clean girl aesthetic"

Color & Tone Words

Color Keywords

Color Palettes:
"warm tones", "cool tones", "muted colors", "vibrant colors", "pastel",
"monochromatic", "earth tones", "jewel tones"

Specific Effects:
"golden", "cyan undertones", "orange and teal", "desaturated",
"high contrast", "low contrast", "faded colors"

Part 3: Advanced Techniques

Prompt Weighting

Control the importance of different elements in your prompt. Different platforms use different syntax:

Weighting Syntax

Midjourney:
"beautiful sunset::2 over mountains::1"  // sunset is twice as important

Stable Diffusion:
"(beautiful sunset:1.5) over mountains"  // 1.5x weight on sunset

General Approach:
Put important elements first in your prompt - AI typically gives more 
weight to earlier words.

Negative Prompting

Tell the AI what you don't want. But remember: positive instructions usually work better than negative ones.

Positive vs Negative

Instead of:                    Try:
"no blur"                  →   "sharp focus, crisp details"
"no people"                →   "empty scene, solitary"
"not dark"                 →   "bright, well-lit"
"no watermark"             →   "clean image, professional quality"

Film Simulation

Recreate the look of classic film stocks for authentic photography aesthetics:

Film Stock Prompts

Kodak Portra 400:
"shot on Kodak Portra 400, warm golden tones, natural skin tones, 
fine film grain, soft contrast"

Fuji Pro 400H:
"Fuji Pro 400H aesthetic, dreamy pastel colors, slight cyan cast, 
soft and creamy tones"

Kodak Ektar 100:
"Kodak Ektar 100, high saturation, vivid colors, fine grain, 
punchy contrast"

Fuji Velvia 50:
"Fuji Velvia 50, ultra-saturated colors, high contrast, 
dramatic landscape photography"

Composition Control

Composition Keywords

Framing:
"close-up portrait", "full body shot", "medium shot", "wide shot",
"extreme close-up", "bird's eye view", "worm's eye view"

Composition Rules:
"rule of thirds", "golden ratio", "centered composition", 
"symmetrical", "asymmetrical balance", "leading lines",
"frame within frame", "negative space"

Aspect Ratios:
"16:9 widescreen", "9:16 vertical", "1:1 square", "4:5 portrait",
"2.35:1 cinematic"

Part 4: Common Mistakes to Avoid

1. Being Too Vague

❌ Too Vague

"A nice photo of nature"

✓ Specific

"Misty mountain peaks at sunrise, layers of fog in valley, golden light, landscape photography"

2. Conflicting Instructions

❌ Conflicting

"Realistic photo, anime style, oil painting"

✓ Consistent

"Realistic portrait photography, soft natural lighting"

3. Forgetting Lighting

Lighting is 50% of photography. Always specify it for better results.

4. Overloading the Prompt

More isn't always better. Focus on the most important elements rather than listing everything you can think of.

5. Ignoring Aspect Ratio

Always specify your desired aspect ratio for optimal composition.

Part 5: Ready-to-Use Templates

Portrait Photography Template

Portrait Template

[Person description], [clothing/styling], [pose/expression],
[lighting type], [background], shot on [camera/film],
[mood], [technical details]

Example:
"Young woman with braided hair, wearing white summer dress, 
gentle smile looking at camera, soft golden hour light, 
flower field background, shot on Kodak Portra 400,
romantic dreamy mood, 85mm lens, shallow depth of field"

Landscape Photography Template

Landscape Template

[Scene description], [time of day], [weather/atmosphere],
[lighting], [style], [composition], [mood]

Example:
"Dramatic coastal cliffs with crashing waves, sunset,
stormy clouds breaking, golden rim light on rocks,
fine art landscape photography, wide angle composition,
powerful and majestic mood"

Product Photography Template

Product Template

[Product], [surface/background], [lighting setup],
[style], [mood], [additional props if any]

Example:
"Luxury perfume bottle, white marble surface,
soft diffused studio lighting with subtle shadows,
high-end commercial photography, elegant minimalist,
single green leaf accent"

Part 6: Pro Tips from AI Artists

Expert Advice

  • Start simple, then iterate: Begin with a basic prompt, see what you get, then add details to refine.
  • Save your best prompts: Build a personal library of prompts that work well for you.
  • Study real photography: Understanding photography principles will make you a better prompt writer.
  • Use reference images: When possible, use image references to guide style and composition.
  • Be patient: Sometimes it takes several generations to get the perfect result.
  • Learn from the community: Study prompts from galleries like LocalBanana to see what works.

What's Next?

Now that you understand the fundamentals of prompt engineering, it's time to practice. Here are some resources to continue your journey:

  • 100 Best AI Art Prompts - Copy-paste ready prompts to try
  • LocalBanana Gallery - Browse thousands of prompts with examples
  • Film Simulation Guide - Master film aesthetics
  • Prompt Basics Documentation - Quick reference guide

Remember: the best way to learn prompt engineering is through practice. Start creating, experiment with different approaches, and you'll develop your own unique style over time.

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