You need to make the directory that holds the tar file the same as the architecture. It is expected by the ppm I believe. see Excerpt from storable below: storable.ppd

<SOFTPKG NAME="Storable" VERSION="1,0,10,0">

  <IMPLEMENTATION>
    <CODEBASE HREF="file://f:/Perlmodules/MSWin32-x86-multi-thread/Sto
+rable.tar.gz" />
    <ARCHITECTURE NAME="MSWin32-x86-multi-thread" />
    <OS NAME="MSWin32" />
  </IMPLEMENTATION>
  <ABSTRACT>persistency for perl data structures</ABSTRACT>
  <TITLE>Storable</TITLE>
  <AUTHOR>Raphael Manfredi (Raphael_Manfredi@pobox.com)</AUTHOR>
</SOFTPKG>
[download]

As for those modules you don't have a ppd for checkout Activestate's docs How to make a PPM Package

Talwyn