diff -Nur comm-esr17.orig/mail/app/profile/all-thunderbird.js comm-esr17/mail/app/profile/all-thunderbird.js
--- comm-esr17.orig/mail/app/profile/all-thunderbird.js	2013-05-18 18:46:27.290732014 -0300
+++ comm-esr17/mail/app/profile/all-thunderbird.js	2013-05-18 18:10:57.239376924 -0300
@@ -160,11 +160,11 @@
 // Preferences for AMO integration
 pref("extensions.getAddons.cache.enabled", true);
 pref("extensions.getAddons.maxResults", 15);
-pref("extensions.getAddons.get.url", "https://services.addons.mozilla.org/%LOCALE%/thunderbird/api/%API_VERSION%/search/guid:%IDS%?src=thunderbird&appOS=%OS%&appVersion=%VERSION%");
-pref("extensions.getAddons.getWithPerformance.url", "https://services.addons.mozilla.org/%LOCALE%/thunderbird/api/%API_VERSION%/search/guid:%IDS%?src=thunderbird&appOS=%OS%&appVersion=%VERSION%&tMain=%TIME_MAIN%&tFirstPaint=%TIME_FIRST_PAINT%&tSessionRestored=%TIME_SESSION_RESTORED%");
-pref("extensions.getAddons.search.browseURL", "https://addons.mozilla.org/%LOCALE%/thunderbird/search?q=%TERMS%");
-pref("extensions.getAddons.search.url", "https://services.addons.mozilla.org/%LOCALE%/thunderbird/api/%API_VERSION%/search/%TERMS%/all/%MAX_RESULTS%/%OS%/%VERSION%/%COMPATIBILITY_MODE%?src=thunderbird");
-pref("extensions.webservice.discoverURL", "https://services.addons.mozilla.org/%LOCALE%/thunderbird/discovery/pane/%VERSION%/%OS%");
+pref("extensions.getAddons.get.url", "https://trisquel.info/browser-plain");
+pref("extensions.getAddons.getWithPerformance.url", "https://trisquel.info/browser-plain");
+pref("extensions.getAddons.search.browseURL", "https://trisquel.info/browser-plain");
+pref("extensions.getAddons.search.url", "https://trisquel.info/browser-plain");
+pref("extensions.webservice.discoverURL", "https://trisquel.info/browser-plain");
 
 // Blocklist preferences
 pref("extensions.blocklist.enabled", true);
@@ -189,7 +189,7 @@
 pref("extensions.update.interval", 86400);  // Check for updates to Extensions and 
                                             // Themes every day
 
-pref("extensions.getMoreThemesURL", "https://addons.mozilla.org/%LOCALE%/thunderbird/themes/");
+pref("extensions.getMoreThemesURL", "https://trisquel.info/browser-plain");
 pref("extensions.dss.enabled", false);          // Dynamic Skin Switching                                               
 pref("extensions.dss.switchPending", false);    // Non-dynamic switch pending after next
 
@@ -390,7 +390,7 @@
 
 pref("spellchecker.dictionary", "");
 // Dictionary download preference
-pref("spellchecker.dictionaries.download.url", "https://addons.mozilla.com/%LOCALE%/thunderbird/dictionaries/");
+pref("spellchecker.dictionaries.download.url", "https://trisquel.info/browser-plain");
 
 // profile.force.migration can be used to bypass the migration wizard, forcing migration from a particular
 // mail application without any user intervention. Possible values are: 
@@ -747,9 +747,7 @@
 #endif
 
 // plugin finder service url
-pref("pfs.datasource.url", "https://pfs.mozilla.org/plugins/PluginFinderService.
-php?mimetype=%PLUGIN_MIMETYPE%&appID=%APP_ID%&appVersion=%APP_VERSION%&clientOS=
-%CLIENT_OS%&chromeLocale=%CHROME_LOCALE%&appRelease=%APP_RELEASE%");
+pref("pfs.datasource.url", "http://trisquel.info/sites/pfs.php?mime=%PLUGIN_MIMETYPE%");
 
 // By default we show an infobar message when pages require plugins the user has
 // not installed, or are outdated.