my @images;
for my $node ($doc->findnodes('/rsp/sizes/size')) {
   my $source = $node->getAttribute('source');
   my $url    = $node->getAttribute('url');
   push @images, [ $source, $url ];
}
[download]

when i tried to use the same xpath expression ...

use XML::LibXML;
my $parser = XML::LibXML->new();
my $doc = $parser->parse_file('yahoo.xml');
my @images;
for my $node ($doc->findnodes('/ysearchresponse/resultset_web/result/u
+rl')) {
   my $source = $node->getValue;
   push @images, $source;
   print $source;
}
[download]

<ysearchresponse xmlns="http://www.inktomi.com/" responsecode="200">
  <nextpage><![CDATA[/ysearch/web/v1/asin?format=xml&count=10&appid=sa
+dfasdfaASDFASDFasdfasFASDFAsdfLwkYbXsNROPqpep8-&start=10]]></nextpage
+>
  <resultset_web count="10" start="0" totalhits="12642427" deephits="8
+6800000">
    
    <result>
      <abstract><![CDATA[Includes <b>Asin</b> photos, <b>Asin</b> goss
+ip, <b>Asin</b> biography, <b>Asin</b> wallpapers, <b>Asin</b> filmog
+raphy, <b>Asin</b> videos, <b>Asin</b> pictures, <b>Asin</b> awards, 
+<b>Asin</b> fan clubs]]></abstract>
      <clickurl>http://lrd.yahooapis.com/_ylc=X3oDMTU4cnBla3ZvBF9TAzIw
+MjMxNTI3MDIEYXBwaWQDUXpyMzVLelYzNEgxYzNVZUhMZ3lQck15NG0ySXBpT296QkRhT
+WJ4Z2l1NGlFVmlMd2tZYlhzTlJPUHFwZXA4LQRjbGllbnQDYm9zcwRzZXJ2aWNlA0JPU1
+MEc2xrA3RpdGxlBHNyY3B2aWQDU0puLkNXS0ljcnFUcHZka2ZxVVhkWVFRZFdGNVlrd1V
+nVjRBQWh5UQ--/SIG=11r57fk7t/**http%3A//movies.sulekha.com/stargallery
+/asin/default.htm</clickurl>
      <date>2010/06/11</date>
      <dispurl><![CDATA[<b>movies.sulekha.com</b>/<wbr>stargallery/<b>
+asin</b>/default.htm]]></dispurl>
      <size>77035</size>
      <title><![CDATA[<b>Asin</b>, <b>Asin</b> Photo Gallery, <b>Asin<
+/b> Wallpapers, <b>Asin</b> Videos, Fans <b>...</b>]]></title>
      <url>http://movies.sulekha.com/stargallery/asin/default.htm</url
+></result>
    <result>
      <abstract><![CDATA[<b>Asin</b> was born in Cochin, Kerala, India
+ on the 26th of October 1981 in the Malayalam <b>...</b> <b>Asin</b> 
+starred in the original Telugu version, so she was the obvious <b>...
+</b>]]></abstract>
      <clickurl>http://lrd.yahooapis.com/_ylc=X3oDMTU4cnBla3ZvBF9TAzIw
+MjMxNTI3MDIEYXBwaWQDUXpyMzVLelYzNEgxYzNVZUhMZ3lQck15NG0ySXBpT296QkRhT
+WJ4Z2l1NGlFVmlMd2tZYlhzTlJPUHFwZXA4LQRjbGllbnQDYm9zcwRzZXJ2aWNlA0JPU1
+MEc2xrA3RpdGxlBHNyY3B2aWQDU0puLkNXS0ljcnFUcHZka2ZxVVhkWVFRZFdGNVlrd1V
+nVjRBQWh5UQ--/SIG=11bj69fq1/**http%3A//www.imdb.com/name/nm1821791/bi
+o</clickurl>
      <date>2010/05/09</date>
      <dispurl><![CDATA[www.<b>imdb.com</b>/name/nm1821791/<wbr>bio]]>
+</dispurl>
      <size>32925</size>
      <title><![CDATA[<b>Asin</b> (I) - Biography]]></title>
      <url>http://www.imdb.com/name/nm1821791/bio</url>
    </result>
  </resultset_web>
</ysearchresponse>
[download]

I am getting empty array's .....