Answer by Muisca for How do I add an image to an item in RSS 2.0?

Inside tag ITEM

<image:image xmlns:image="http://web.resource.org/rss/1.0/modules/image/">

http://domain. com/image.jpg< /image:image>

Inside Description Tag

<![CDATA[    Some Text..<br/><img src='http://domain. com/image.jpg'><br/>    More Text]]>