Convert the image markers in HTML from the richtext editor into image tags.
When you add images in the richtext editor of the Zotonic admin, the HTML body text does not store <img> tags, but instead, stores special markers containing the picture id and size&alignment hints.
The show_media tag converts these special markers (which are in fact HTML comments) back into image tags. For this, it uses the template called “_body_media.tpl”. This template is located in mod_base and can be overruled with your own.
Image which are inlined in the body text can have these parameters: