Code:
<a href="IMG_0598.JPG">
<img src="tn_IMG_0598_JPG.jpg" border="0" width="100" height="75" alt="IMG_0598.JPG"></a>
replace above with this
Code:
<a href="IMG_0598.jpg"><img src="tn_IMG_0598_JPG.jpg" width="100" height="75" border="0"
onMouseOver="MM_displayStatusMsg('PS2 Or Something');return document.MM_returnValue"></a>
add the red part of this to your tag.
And that should do it