How to Create Visuals in 5 Minutes:

In digital marketing, speed and quality are everything. Lately Google Gemini has established itself as a leader in generative AI, and with the new Nano Banana 2 model, creating professional images has reached a new level. In this article, we'll look at how you can create stunning ad banners and YouTube thumbnails in under 5 minutes, following the method used by digital marketing expert Etien Yanev.

Етиен Янев 15 August 2026 3 min read updated on 20 August 2026

What is Nano Banana 2?

Nano Banana 2 is an advanced image-generation model built into the Google Gemini ecosystem. It stands out for:

High precision: the ability to follow complex instructions (prompts) accurately.
Text in images: correctly rendering text on banners (something older models struggled with).
Realism: photorealistic quality and accurate rendering of human features.

The “Meta Prompting” strategy for perfect results

To get results like the ones in Etien’s video, you can’t just ask for “a picture.” The secret is Meta Prompting: a process where you get the AI to write its own instructions.

Step 1: Ask for “best practices”

Instead of generating right away, ask Gemini:

“What are the best practices for designing a YouTube thumbnail for a video about [your topic]?”

Step 2: Generate concepts

Ask Gemini to propose 3-4 different visual concepts based on those best practices.

Step 3: Write the prompts

Have the model write out detailed prompts for each approved concept. Only then tell it: “Create the image based on the first concept.”

3 marketing uses for Nano Banana 2

1. YouTube thumbnails

Nano Banana 2 lets you create clickable thumbnails in seconds.

Example: you can generate an image with an emotional reaction and add text like “IS YOUR AD READY?”
Face swap: the model lets you upload your own photo and instruct Gemini to replace the generated face with yours. The result is a personalized brand asset.

2. Ad banners for webinars and events

If you’re organizing an event, you can feed Gemini a link to your landing page or the event copy itself.

Analysis: the AI analyzes the content (pain points, benefits, audience).
Variations: you can create dozens of variations (for example, “While you rest, your AI team works 24/7”).
Time saved: a process that would normally take a designer 20+ hours happens in minutes.

3. The “AI command center” and personalization

One of the most powerful features is the ability to place a real person into a surreal or high-tech environment.

Technique: use a prompt that defines an empty placeholder in the composition, or instruct the AI directly: “Add me to the center of this high-tech office.”

Comparison: why choose Gemini for images?

Характеристика	Google Gemini (Nano Banana 2)	Други модели (Midjourney/DALL-E 3)
Скорост	Изключително бърз (под 1 мин)	Варира
Текст	Много добро справяне с надписи	Често допуска правописни грешки
Редакция	Възможност за редакция в чата (In-painting)	По-трудна редакция (изисква нови промптове)
Личен образ	Лесна интеграция на лични снимки	По-сложна интеграция

Frequently Asked Questions (FAQ)

Can Gemini generate Cyrillic text on images?

Yes, Nano Banana 2 handles text, including Cyrillic, considerably better than earlier versions, though minor corrections are sometimes still needed.

How do I get access to Nano Banana 2?

The model is available through the Google Gemini interface (the Advanced tier gives the best results).

Can it be used for video?

The paid version of Google Gemini now also includes access to Veo 3.1, which lets you create short videos based on your generated images.

Want to learn more about AI tools and become part of a community that sets the trends? Check out “From Zero to AI Hero” – the place to trade experience, prompts, and strategies.

Етиен Янев

Консултант и лектор по приложен изкуствен интелект. Провежда корпоративни обучения и програми за внедряване на AI в средни и големи компании.