<a href="http://www.freerepublic.com" target="new">Free Republic</a>
produces this...
here's the format...
<a href="LINK URL"> <img src="PICTURE URL" height="nnn" width="nnn"> </A>
here's an example...
<a href="http://www.freerepublic.com"> <img src="http://www.freerepublic.com/images/frlogo.gif" height=130 width=150> </a>
and here's what it produces... click the pic...
oh, you want that in a new window? we figured that out above...put target="new" right after the LINK URL