Say what happens in it
The win, the fail, the update, or the map. You get a few to pick from.
Make thumbnails for war attacks, Town Hall bases, army strategies, upgrades, challenges, guides, and updates. Show VisualKit a thumbnail you like. Compare a few options and edit your pick.
Example
This 16:9 example keeps one subject and one idea clear.

Say what happens in your Clash of Clans video and pick the one you like.
The win, the fail, the update, or the map. You get a few to pick from.
Every thumbnail gets a score out of 100. One click fixes the weak part.

Ask for a bigger face or shorter text. The rest stays the same.

Download it and upload it with your video.
Your thumbnail gets one chance to earn the click before the video starts.
If the thumbnail looks confusing, they click another video.
Each round of feedback can cost another day.
Make a few thumbnails, then pick your favorite.
See thumbnail ideas for the Clash of Clans videos you already make.
Show the base, army, and three-star result in one clear frame for attacks, wars, and challenges.
Make one base or Town Hall the main subject with simple labels and a clear area to inspect or compare.
Put one troop, hero, item, or upgrade first and make the change easy to see.
Make thumbnails for war attacks, three-star attempts, Clan War League, army setups, strategies, and challenges.
Create thumbnails for base layouts, defense, Town Hall progress, upgrades, comparisons, and guides.
Make thumbnails for troops, heroes, equipment, balance changes, updates, new content, and guides.
More thumbnail tools
Create, review, test, and compare your thumbnail before you publish.
More game thumbnails
Pick a game to see examples and common video types.
Choose a monthly credit allowance for your publishing schedule.
For creators posting consistently every month.
Includes:
For creators publishing several times a week.
Everything in Starter, plus:
For high-volume creators and teams.
Everything in Starter, plus: