If you want to know how to add image extensions in Google Ads, then this video will walk you step by step through the entire process.
First, you'll need to select the campaign that you want to add an image extension to.
From there, you will navigate over to the Ads & Assets section in Google Ads where you can then select the Assets for your campaign.
All you need to do is click the blue button with a plus sign in it, and you'll be able to select image extension.
Keep in mind that your account needs to qualify in order for you to be able to add image extensions to your ads.
If you need help with Gooogle Ads, get in touch: https://missoulaseogeek.com/
Follow For More: @MissoulaSEOGeek