Shoutbox

Hi, I'm trying to do a RSS feed for a page I'm doing. The contents are in a MySQL db and I show the contents using PHP. I'm also using PHP to generate the RSS feed.

http://www.doggybio.com/view.php?id=2 (HTML)
http://www.doggybio.com/rss.php?id=2 (RSS)

I wanted your opinion in what tags to use or not to use. Actually When trying to read it from Google.com/ig it will show only the title and tell the content is unavailable. And when using Google Reader it will only show the item description and the title. I want a little image to show and more stuff but I don't know how. I search for RSS Especification and I try to follow one I found.

I'm new on feeds so I need all your help. Thanks in advance.