Task X: Configuring Repository Mirrors

<settings>
  ...other stuff...    
  <mirrors>
    <mirror>
      <id>ibiblio</id>
      <name>ibiblio Mirror of Central</name>
      <url>http://mirrors.ibiblio.org/pub/mirrors/maven2</url>
      <mirrorOf>central</mirrorOf>
    </mirror>
  </mirrors>
  ...other stuff...
</settings>