From the image placement

<strib pos="1" type="image" scale="m" class="myClass"></strib>

Full url, no click

<strib type="image" src="http://stmedia.startribune.com/images/ows_146005031629887.jpg" scale="m" click="no" caption="Here's a caption for the image" byline="File photo" credit="Star Tribune" class="myClass left"></strib>

File name, no click

<strib type="image" src="ows_146005031629887.jpg" scale="m"  click="no" caption="Here's a caption for the image" byline="File photo" credit="Star Tribune" class="myClass left"></strib>