Código HTML:
<TABLE>
<TR>
<TD ><a href="http://www.msplinks.com/MDFodHRwOi8vcGljYXNhd2ViLmdvb2dsZS5lcy9kYXRhaW5mby9DZWNpbXVyZGVy" target="_blank"><img src="http://img253.imageshack.us/img253/9934/ewidwfm0xe6.jpg" onmouseover="this.src = 'http://img120.imageshack.us/img120/5789/exf6uuhszs6.jpg'" onmouseout="this.src = 'http://img253.imageshack.us/img253/9934/ewidwfm0xe6.jpg'" /></TD>
</TR>
</TABLE></a>
este es el codigo queintento usar.