http://scribbling.net/projects/firefoxextensions/aboutsite/aboutsite.xpi
http://releases.mozilla.org/pub/mozilla.org/extensions/adblock/adblock-0.5.3.042-fx+fl+mz+ns.xpi
http://downloads.mozdev.org/bookmarkshome/bookmarkshome1.4.3.xpi
http://extensions.roachfiend.com/bugmenot.xpi
http://clusty.com/toolbar/clustybar.xpi
http://www.foxcloud.com/foxmarks/getlatest.php?file=foxmarks.xpi
http://www.nexgenmedia.net/extensions/gm-notifier/gm-notifier-0_5_4.xpi
http://toolbar.google.com/firefox/extensions/sendtophone/google-sendtophone.xpi
http://code.mincus.com/extensions/adsense.xpi
http://htmlvalidator.sourceforge.net/mozilla/tidy_firefox_win_077.xpi
http://downloads.mozdev.org/launchy/launchy.xpi
http://www.kevinfreitas.net/extensions/linkchecker/linkchecker.xpi
http://releases.mozilla.org/pub/mozilla.org/extensions/mediaplayerconnectivity/mediaplayerconnectivity-0.5.3.1-fx+fl+ns.xpi
http://mozilla.dorando.at/menumanipulator.xpi
http://downloads.mozdev.org/minimizetotray/minimizetotray/minimizetotray.trunk.2005091606.xpi
http://seopen.com/firefox-extension/seopen061.xpi
http://downloads.mozdev.org/spiderzilla/spiderzilla_win.xpi
http://mozmonkey.com/packages/stockticker/stockticker.xpi
https://addons.mozilla.org/extensions/moreinfo.php?id=234