diff --git a/Installation.md b/Installation.md
index 4a7b31c..6d745c1 100644
--- a/Installation.md
+++ b/Installation.md
@@ -16,7 +16,7 @@
 <div style="float: left; width:50%;">
 
 <div style="margin: 0px 20px 30px 20px; padding: 10px 5px 0px 0px; border: 1px solid #eee;">
-<img style="width: 48px; height: 48px; padding: 10px 10px 20px 10px; float: left" src="/trac/chrome/logo-ubuntu_cof-orange-hex.svg" />
+<img style="width: 48px; height: 48px; padding: 10px 10px 20px 10px; float: left" src="/~trac/logo-ubuntu_cof-orange-hex.svg" />
 <h2 style="margin-bottom: 0px;">Ubuntu <small style="color:grey;">lucid, oneiric, precise, quantal</small></h2>
 <a href="<https://packages.ubuntu.com/search?keywords=tahoe-lafs&searchon=names&suite=all&section=all>">Official Packages</a>
 <a href="/buildbot-tahoe-lafs/builders/Atlas%20ubuntu%20natty">Buildbot</a><br />
@@ -24,7 +24,7 @@
 </div>
 
 <div style="margin: 30px 20px; padding: 10px 5px 0px 0px; border: 1px solid #eee;">
-<img style="width: 48px; height: 48px; padding: 10px 10px 20px 10px; float: left" src="/trac/chrome/Openlogo-debianV2.svg" />
+<img style="width: 48px; height: 48px; padding: 10px 10px 20px 10px; float: left" src="/~trac/Openlogo-debianV2.svg" />
 <h2 style="margin-bottom: 0px;">Debian <small style="color:grey;">sid (unstable), wheezy (testing)</small></h2>
 <a href="<http://packages.debian.org/search?keywords=tahoe-lafs&searchon=names&suite=all&section=all>">Official Packages</a>
 <a href="/buildbot/builders/Eugen%20lenny-amd64">Buildbot</a><br />
@@ -32,14 +32,14 @@
 </div>
 
 <div style="margin: 30px 20px; padding: 10px 5px 0px 0px; border: 1px solid #eee;">
-<img style="width: 48px; height: 48px; padding: 10px 10px 20px 10px; float: left" src="/trac/chrome/logo-slack.svg" />
+<img style="width: 48px; height: 48px; padding: 10px 10px 20px 10px; float: left" src="/~trac/logo-slack.svg" />
 <h2 style="margin-bottom: 0px;">Slackware <small style="color:grey;">14.0, 13.37, 13.1, 13.0 14.1</small></h2>
 <a href="<http://slackbuilds.org/result/?search=allmydata-tahoe&sv>=">SlackBuilds.Org Repository</a><br />
 <pre style="display: inline-block; font-family: 'Menlo','Courier',monospace; padding: 5px; background: none;"></pre>
 </div>
 
 <div style="margin: 30px 20px; padding: 10px 5px 0px 0px; border: 1px solid #eee;">
-<img style="width: 48px; height: 48px; padding: 10px 10px 20px 10px; float: left" src="/trac/chrome/nixos-notext.svg" />
+<img style="width: 48px; height: 48px; padding: 10px 10px 20px 10px; float: left" src="/~trac/nixos-notext.svg" />
 <h2 style="margin-bottom: 0px;">NixOS</h2>
 <a href="<http://hydra.nixos.org/job/nixpkgs/trunk/tahoelafs>">Buildbot</a>
 <br />
@@ -52,28 +52,28 @@
 
 <!-- see #170 "package Tahoe-LAFS for Fedora"
 <div style="margin: 40px;">
-<img style="padding: 0px 10px; float: left" src="/trac/chrome/fedora.png" />
+<img style="padding: 0px 10px; float: left" src="/~trac/fedora.png" />
 <h2 style="margin-bottom: 0px;">Fedora</h2>
 <pre style="display: inline-block; font-family: 'Menlo','Courier',monospace; padding: 5px; background: #ffffdd;"># yum install tahoe-lafs</pre>
 </div>
 -->
 
 <div style="margin: 0px 20px 30px 20px; padding: 10px 5px 0px 0px; border: 1px solid #eee;">
-<img style="width: 48px; height: 48px; padding: 10px 10px 20px 10px; float: left" src="/trac/chrome/Archlinux-icon-crystal-64.svg" />
+<img style="width: 48px; height: 48px; padding: 10px 10px 20px 10px; float: left" src="/~trac/Archlinux-icon-crystal-64.svg" />
 <h2 style="margin-bottom: 0px;">Arch Linux</h2>
 <a href="<https://aur.archlinux.org/packages.php?ID=39137>">Arch Linux User Repository</a><br />
 <pre style="display: inline-block; font-family: 'Menlo','Courier',monospace; padding: 5px; background: #ffffdd;"># yaourt -S tahoe-lafs </pre>
 </div>
 <!-- Not currently in ports tree
 <div style="margin: 30px 20px; padding: 10px 5px 0px 0px; border: 1px solid #eee;">
-<img style="width: 48px; height: 48px; padding: 10px 10px 20px 10px; float: left" src="/trac/chrome/Freebsd-logo-notext.svg" />
+<img style="width: 48px; height: 48px; padding: 10px 10px 20px 10px; float: left" src="/~trac/Freebsd-logo-notext.svg" />
 <h2 style="margin-bottom: 0px;">FreeBSD</h2>
 <a href="/buildbot-tahoe-lafs/builders/Randy%20FreeBSD-amd64">Buildbot</a><br />
 <pre style="display: inline-block; font-family: 'Menlo','Courier',monospace; padding: 5px; background: #ffffdd;"># pkg_add -r tahoe-lafs</pre>
 </div>
 -->
 <div style="margin: 30px 20px; padding: 10px 5px 0px 0px; border: 1px solid #eee;">
-<img style="width: 48px; height: 48px; padding: 10px 10px 20px 10px; float: left" src="/trac/chrome/netbsd-logo-notext-nohandle.svg" />
+<img style="width: 48px; height: 48px; padding: 10px 10px 20px 10px; float: left" src="/~trac/netbsd-logo-notext-nohandle.svg" />
 <h2 style="margin-bottom: 0px;">NetBSD</h2>
 <a href="ftp://ftp.netbsd.org/pub/pkgsrc/current/pkgsrc/filesystems/tahoe-lafs/README.html">Official Packages</a>
 <a href="/buildbot/builders/MM%20netbsd5%20i386%20warp">Buildbot</a><br />
@@ -81,7 +81,7 @@
 </div>
 
 <div style="margin: 30px 20px; padding: 10px 5px 0px 0px; border: 1px solid #eee;">
-<img style="width: 48px; height: 48px; padding: 10px 10px 20px 10px; float: left" src="/trac/chrome/smartos-logo.png" />
+<img style="width: 48px; height: 48px; padding: 10px 10px 20px 10px; float: left" src="/~trac/smartos-logo.png" />
 <h2 style="margin-bottom: 0px;">SmartOS</h2>
 <!-- <a href="ftp://ftp.netbsd.org/pub/pkgsrc/current/pkgsrc/filesystems/tahoe-lafs/README.html">Official Packages</a> (from NetBSD pkgsrc) -->
 <br />
@@ -97,4 +97,4 @@
 
 ### see also
 
-Wiki pages for Tahoe-LAFS developers and packagers: [OSPackages](OSPackages), [Manual](Manual), [Packaging](Packaging), [NewbieDeveloperSetup](NewbieDeveloperSetup), [CompileError](CompileError), and [FAQ](FAQ)
\ No newline at end of file
+Wiki pages for Tahoe-LAFS developers and packagers: [OSPackages](OSPackages), [Manual](Manual), [Packaging](Packaging), [NewbieDeveloperSetup](NewbieDeveloperSetup), [CompileError](CompileError), and [FAQ](FAQ)