Images in embed code field


I use html-code in an embed code field in a listdetail block to render a report where images are a significant part of the content.

Because the images are user specific, they are generated automatically and hosted on another server.

It happens that the embedded images are blocked when a user opens the webpage and are not visible for the user.

Hosting the images on the same server as where the Softr website is running does not to seem possible.

I tried to encode the images and include them as a string in Airtable, but only very small images can be used (100K is max count of characters in an Airtable long text field).

Could it be possible to embed my entire Softr website on the server where I host the images? Or is there another solution?

Thanks for your advice.