For my blog (www.moppermijmer.eu) I have a specific image set as icon. But when I look in the jetpack reader, the only image is the default placeholder. The image also doesn't show up when I post a link in social media. Where can I set an image to be the default representation of my blog? (Putting an image in each post is going to put a lot of pressure on my already fragile workflow.).

I am writing about Heathenry (my religion) and politics. Already a bit niche, but I also write in Dutch. I write mostly for myself and not to make a living so I'm not looking to be told to pivot my content to gain mainstream appeal, but throwing a few euro's would be worth it to me if it'd mean more people seeing and interacting with my ramblings. Is Blaze useful for that? Or will it just pop up for people that will never be interested in my stuff?