Demand Gen can use single-image and carousel creative across eligible inventory, including Gmail. A single-image ad concentrates attention on one promise; a carousel can sequence products, use cases, proof, or steps. The format should follow the decision the reader needs to make, not the number of assets available.
VISUAL LESSON
What you will learn
- 01Choose a format from the communication job.
- 02Map a carousel card sequence.
- 03Validate assets and destinations.

ILLUSTRATIVE WORKED EXAMPLE
Compare two illustrative creative jobs
PRACTICAL INTERFACE MAP
Build the format from message architecture
Choose one offer, audience state, evidence, objection, and destination action.
Use one image for concentrated clarity or map each carousel card to a required story beat.
Check current specs, crops, card order, copy, URL, tracking, mobile page, and Gmail rendering.
STEP-BY-STEP LESSON
Decision → format → asset system → destination
THE LEAD ATLAS METHOD
Lead Atlas Data can research business contacts specific to the campaign's industry, categories, locations, or market, giving the Gmail creative plan a clearly defined audience outside platform delivery.See how custom list research works ↗Start with the communication job
Write the audience state, offer, single next action, strongest evidence, main objection, and destination. If the reader can understand and decide from one visual idea, a single-image format can reduce unnecessary interaction.
If order creates meaning—such as problem, mechanism, proof, and action—draft a carousel. Do not use extra cards simply because the format permits them.
Design one-image clarity
Build a strong visual subject, readable hierarchy, concise headline, honest description, recognizable brand context, and a destination that continues the same promise. Keep essential meaning away from risky crop edges.
Create horizontal, square, and vertical assets according to the current Google specifications where relevant to the campaign. Preview each ratio rather than assuming automatic crops preserve the composition.
Map a carousel sequence
Give every card one job and make the first card understandable without swiping. Use consistent visual grammar while letting each card add a product, step, use case, proof point, or comparison. End with a clear destination relationship.
Build a card table with card purpose, asset, headline, URL behavior, claim source, and transition. Remove any card that repeats another or introduces a second unrelated offer.
Validate the current requirements
Check current image ratios, minimum dimensions, file size, text limits, card requirements, merchant-feed compatibility, and destination rules in Google Ads documentation and the live editor. Product requirements can change.
Preview Gmail and other selected channels. Record interface date, labels, cropping, enhancement settings, and any field Google marks optional, recommended, or required.
Measure format quality
Compare engagement and website-click definitions carefully, then connect traffic to landing behavior, conversion quality, sales outcomes, and creative diagnostics. A swipe or first Gmail interaction is not automatically a business result.
Deliverable: message brief, single-image concept, carousel storyboard, asset matrix, spec check, crop previews, claim evidence, destination QA, measurement map, and format decision.
THE TAKEAWAY
Use single-image creative for one immediate idea and carousel creative for a necessary sequence; keep each card understandable, compliant, and connected to the destination.OFFICIAL REFERENCES