Search widget returns text only, NO IMAGES

Dear community,
after some years of inaction, I have updated my site, and thought all is well, until I used the search widget. In the past, the page returned by a search showed the post headers and the picture (generally, the first item in my posts is a picture, being a photo blog). This is a handy way for me to retrieve images.

But after the update(s) I only get a list of text, all pictures omitted.

Is there some setting that could be tweaked to bring this much loved feature back?

All help appreciated.

example: search for titirangi. in the search box:

The page I need help with: [log in to see the link]

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