diff --git a/Installation.md b/Installation.md
index c30cff4..285f466 100644
--- a/Installation.md
+++ b/Installation.md
@@ -7,7 +7,7 @@
 <div style="float: left; width:50%;">
 
 <div style="margin: 0px 20px 30px 20px; padding: 10px 5px 0px 0px; border: 1px solid #eee;">
-<img style="padding: 10px 10px 20px 10px; float: left" src="<http://hyperplex.org/tahoe/ubuntu.png>" />
+<img style="padding: 10px 10px 20px 10px; float: left" src="/trac/chrome/ubuntu.png" />
 <h2 style="margin-bottom: 0px;">Ubuntu <small style="color:grey;">lucid, maverick, natty, oneiric</small></h2>
 <a href="<http://packages.ubuntu.com/search?keywords=tahoe-lafs&searchon=names&suite=all&section=all>">Official Packages</a>
 <a href="//buildbot/builders/lucid-amd64">Buildbot</a><br />
@@ -15,7 +15,7 @@
 </div>
 
 <div style="margin: 30px 20px; padding: 10px 5px 0px 0px; border: 1px solid #eee;">
-<img style="padding: 10px 10px 20px 10px; float: left" src="<http://hyperplex.org/tahoe/debian.png>" />
+<img style="padding: 10px 10px 20px 10px; float: left" src="/trac/chrome/debian.png" />
 <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 />
@@ -23,7 +23,7 @@
 </div>
 
 <div style="margin: 30px 20px; padding: 10px 5px 0px 0px; border: 1px solid #eee;">
-<img style="padding: 10px 10px 20px 10px; float: left" src="<http://hyperplex.org/tahoe/slackware.png>" />
+<img style="padding: 10px 10px 20px 10px; float: left" src="/trac/chrome/slackware.png" />
 <h2 style="margin-bottom: 0px;">Slackware <small style="color:grey;">13.37, 13.1, 13.0</small></h2>
 <a href="<http://slackbuilds.org/result/?search=allmydata-tahoe&sv>=">SlackBuilds.Org Repository</a>
 <a href="<http://mareichelt.com/pub/mine/tahoe-lafs/>">Notes</a><br />
@@ -31,7 +31,7 @@
 </div>
 
 <div style="margin: 30px 20px; padding: 10px 5px 0px 0px; border: 1px solid #eee;">
-<img style="padding: 10px 10px 20px 10px; float: left" src="<http://hyperplex.org/tahoe/nixos.png>" />
+<img style="padding: 10px 10px 20px 10px; float: left" src="/trac/chrome/nixos.png" />
 <h2 style="margin-bottom: 0px;">NixOS <small style="color:grey;">nixpkgs 0.14pre22774</small></h2>
 <a href="<http://hydra.nixos.org/job/nixpkgs/trunk/tahoelafs>">Buildbot</a>
 <br />
@@ -44,28 +44,28 @@
 
 <!-- see #170 "package Tahoe-LAFS for Fedora"
 <div style="margin: 40px;">
-<img style="padding: 0px 10px; float: left" src="<http://hyperplex.org/tahoe/fedora.png>" />
+<img style="padding: 0px 10px; float: left" src="/trac/chrome/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="padding: 10px 10px 20px 10px; float: left" src="<http://hyperplex.org/tahoe/arch-linux.png>" />
+<img style="padding: 10px 10px 20px 10px; float: left" src="/trac/chrome/arch-linux.png" />
 <h2 style="margin-bottom: 0px;">Arch Linux</h2>
 <a href="<http://aur.archlinux.org/packages.php?ID=39137>">Official Packages</a><br />
 <pre style="display: inline-block; font-family: 'Menlo','Courier',monospace; padding: 5px; background: #ffffdd;"># pacman -S tahoe-lafs</pre>
 </div>
 
 <div style="margin: 30px 20px; padding: 10px 5px 0px 0px; border: 1px solid #eee;">
-<img style="padding: 10px 10px 20px 10px; float: left" src="<http://hyperplex.org/tahoe/freebsd.png>" />
+<img style="padding: 10px 10px 20px 10px; float: left" src="/trac/chrome/freebsd.png" />
 <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="padding: 10px 10px 20px 10px; float: left" src="<http://hyperplex.org/tahoe/netbsd.png>" />
+<img style="padding: 10px 10px 20px 10px; float: left" src="/trac/chrome/netbsd.png" />
 <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 />