Added new Rico talks

Fixed flv preview
Added flv for some talks

cscweb.xsl

@@ -84,7 +84,7 @@
     s1.addParam("allowfullscreen","true");
     s1.addVariable("file","http://csclub.uwaterloo.ca/files/<xsl:value-of select="@file" />");
     <xsl:if test="@preview">
-    s1.addVariable("image","<xsl:value-of select="@preview" />");
+    s1.addVariable("image","http://csclub.uwaterloo.ca/files/<xsl:value-of select="@preview" />");
     </xsl:if>
     s1.write("player1");
   </script>

media/index.xml

@@ -53,7 +53,7 @@
   <mediafile file="mterry2.ogg" type="OGG/Theora" size="535M" />
   <mediafile file="mterry2.mp4" type="MP4" size="509M" />
   <mediafile file="mterry2.mpg" type="MPG" size="520M" />
-  <flvfile file="mterry2.flv" />
+  <flvfile file="mterry2.flv" preview="mterry2.png" />
 </mediaitem>
 
 <mediaitem title="Ralph Stanton 40th Anniversary of Math Faculty Talk">
@@ -155,6 +155,7 @@
   <mediafile file="sdt-xvid.avi" type="XviD" size="406M" />
   <mediafile file="sdt.mpg" type="MPG" size="405M" />
   <mediafile file="sdt.ogg" type="OGG/Theora" size="411M" />
+  <flvfile file="sdt.flv" />
 </mediaitem>
 
 <mediaitem title="ReactOS - An Open Source OS Platform for Learning">
@@ -357,9 +358,11 @@
     Particularly illuminating are his responses to advocates of 
     free/open-source software.
   </abstract>
-  <mediafile file="Rico-Mariani-exctd-divx-320-240.avi" size="689M" type="DivX" />
-  <mediafile file="Rico-Mariani-exctd-quicktime.mov" size="504M" type="Quick Time" />
-  <mediafile file="Rico-Mariani-exctd-wmv.wmv" size="157M" type="Windows Media" />
+  <mediafile file="rico.avi" type="XviD" size="534M" />
+  <mediafile file="rico.ogg" type="OGG/Theora" size="528M" />
+  <mediafile file="rico.mp4" type="MP4" size="507M" />
+  <mediafile file="rico.mpg" type="MPG" size="532M" />
+  <flvfile file="rico.flv" />
 </mediaitem>
 
     </ul>