En la pagina http://hyperdrop.blogspot.com/2010/03/777.html tenes:
<a href="http://hyperdrop.blogspot.com/2010/02/ave-de-oro.html"><img src="http://img218.imageshack.us/img218/66/25796606.jpg" alt="Ave de Oro" width="50" height="50" hspace="1" border="0" /></a><a href="http://hyperdrop.blogspot.com/2010/02/liquidos.html"><img src="http://img684.imageshack.us/img684/3456/55054450.jpg" alt="Líquidos" width="50" height="50" hspace="1" border="0" /></a><a href="http://hyperdrop.blogspot.com/2010/02/ave-exotica-sobre-flor-de-loto.html"><img src="http://img695.imageshack.us/img695/1473/83180679.jpg" alt="Ave Exótica Sobre Flor de Loto" width="50" height="50" hspace="1" border="0" /></a><a href="http://hyperdrop.blogspot.com/2010/02/la-matriz.html"><img src="http://img339.imageshack.us/img339/3541/69018496.jpg" alt="La Matriz" width="50" height="50" hspace="1" border="0" /></a><a href="http://hyperdrop.blogspot.com/2010/02/hada-del-bosque-virgen.html"><img src="http://img522.imageshack.us/img522/4528/92051503.jpg" alt="Hada Del Bosque Virgen" width="50" height="50" hspace="1" border="0" /></a><a href="http://hyperdrop.blogspot.com/2010/02/lobo-alado.html"><img src="http://img249.imageshack.us/img249/4283/76564548.jpg" alt="Las Alas de San Miguel" width="50" height="50" hspace="1" border="0" /><img src="http://img339.imageshack.us/img339/6143/24158765.jpg" alt="Lobo Alado" width="50" height="50" hspace="1" border="0" />
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</a><a href="http://hyperdrop.blogspot.com/2010/02/ave-de-oro.html"><img src="http://img218.imageshack.us/img218/66/25796606.jpg" alt="Ave de Oro" width="50" height="50" hspace="1" border="0" /></a><a href="http://hyperdrop.blogspot.com/2010/02/liquidos.html"><img src="http://img684.imageshack.us/img684/3456/55054450.jpg" alt="Líquidos" width="50" height="50" hspace="1" border="0" /></a><a href="http://hyperdrop.blogspot.com/2010/02/ave-exotica-sobre-flor-de-loto.html"><img src="http://img695.imageshack.us/img695/1473/83180679.jpg" alt="Ave Exótica Sobre Flor de Loto" width="50" height="50" hspace="1" border="0" /></a><a href="http://hyperdrop.blogspot.com/2010/02/la-matriz.html"><img src="http://img339.imageshack.us/img339/3541/69018496.jpg" alt="La Matriz" width="50" height="50" hspace="1" border="0" /></a><a href="http://hyperdrop.blogspot.com/2010/02/hada-del-bosque-virgen.html"><img src="http://img522.imageshack.us/img522/4528/92051503.jpg" alt="Hada Del Bosque Virgen" width="50" height="50" hspace="1" border="0" /></a><a href="http://hyperdrop.blogspot.com/2010/02/lobo-alado.html"><img src="http://img249.imageshack.us/img249/4283/76564548.jpg" alt="Las Alas de San Miguel" width="50" height="50" hspace="1" border="0" /><img src="http://img339.imageshack.us/img339/6143/24158765.jpg" alt="Lobo Alado" width="50" height="50" hspace="1" border="0" /></a><a href="http://hyperdrop.blogspot.com/2010/02/lobo-alado.html">
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Los br deben ser los causantes del problema. Saludos
PS: los <br/> desde Blogger son simples enters y no deberían ir dentro de los vínculos (<a/>).