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    Hi Justin,<br>
    <br>
    Thanks for all your help in resolving this. Just in case it could be
    helpful to other users, here is the solution:<br>
    <br>
    I figured out it was my version of Python (2.7) that handles unicode
    differently to python2.6 and was mangling my signatures so that I
    always got the 'SignatureDoesNotMatch' error. After I installed
    python2.6 it worked fine.<br>
    <br>
    starcluster -c /root/.starcluster/config listpublic<br>
    <br>
    <blockquote>&gt;&gt;&gt; Listing all public StarCluster images...<br>
      <br>
      32bit Images:<br>
      -------------<br>
      [0] ami-8cf913e5 us-east-1 starcluster-base-ubuntu-10.04-x86-rc3<br>
      [1] ami-8f9e71e6 us-east-1 starcluster-base-ubuntu-9.04-x86<br>
      [2] ami-17b15e7e us-east-1 starcluster-base-ubuntu-9.10-x86-rc7<br>
      [3] ami-d1c42db8 us-east-1 starcluster-base-ubuntu-9.10-x86-rc8<br>
      <br>
      64bit Images:<br>
      --------------<br>
      [0] ami-12b6477b us-east-1
      starcluster-base-centos-5.4-x86_64-ebs-hvm-gpu-rc2<br>
      [1] ami-0af31963 us-east-1
      starcluster-base-ubuntu-10.04-x86_64-rc1<br>
      [2] ami-a19e71c8 us-east-1 starcluster-base-ubuntu-9.04-x86_64<br>
      [3] ami-2941ad40 us-east-1 starcluster-base-ubuntu-9.10-x86_64-rc3<br>
      [4] ami-a5c42dcc us-east-1 starcluster-base-ubuntu-9.10-x86_64-rc4<br>
    </blockquote>
    <blockquote>total images: 9<br>
    </blockquote>
    <br>
    Thanks for your help!<br>
    <br>
    &nbsp;<br>
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