diff -ur thunderbird3.old/PKGBUILD thunderbird3/PKGBUILD
--- thunderbird3.old/PKGBUILD	2009-09-24 19:21:01.000000000 +0200
+++ thunderbird3/PKGBUILD	2009-09-23 20:16:53.000000000 +0200
@@ -0,0 +1,27 @@
+# Contributor: Andreas Schnfelder <passtschu@freenet.de>
+pkgname=thunderbird3
+_lang=en-US
+pkgver=3.0b4
+pkgrel=1
+pkgdesc="Standalone Mail/News reader (installs besides thunderbird2)"
+arch=('i686')
+url="http://www.mozilla.org/projects/thunderbird"
+license=('GPL')
+depends=('gtk2>=2.10.0'  'libidl2' 'mozilla-common' 'nss>=3.11.4' 'libxt')
+source=(ftp://ftp.mozilla.org/pub/mozilla.org/thunderbird/releases/$pkgver/linux-i686/$_lang/thunderbird-$pkgver.tar.bz2
+        thunderbird3.desktop)
+md5sums=('51a3e1f82936b8e486ebcafb7ab2dd00'
+         '1040978316a7ceedd1c9591ca1fb95f4')
+
+build() {
+  install -d $startdir/pkg/opt/mozilla \
+             $startdir/pkg/usr/bin \
+             $startdir/pkg/usr/share/{applications,pixmaps}
+
+  cp -r $startdir/src/thunderbird $startdir/pkg/opt/mozilla/thunderbird3
+  
+  ln -sf /opt/mozilla/thunderbird3/thunderbird $startdir/pkg/usr/bin/thunderbird3
+  
+  convert $startdir/src/thunderbird/chrome/icons/default/default256.png $startdir/pkg/usr/share/pixmaps/thunderbird3.png
+  install -m644 $startdir/src/thunderbird3.desktop $startdir/pkg/usr/share/applications/
+}
diff -ur thunderbird3.old/thunderbird3.desktop thunderbird3/thunderbird3.desktop
--- thunderbird3.old/thunderbird3.desktop	2009-09-24 19:21:07.000000000 +0200
+++ thunderbird3/thunderbird3.desktop	2009-09-23 20:13:18.000000000 +0200
@@ -0,0 +1,11 @@
+[Desktop Entry]
+Encoding=UTF-8
+Name=Thunderbird 3
+Comment=Mail & News Reader
+Exec=thunderbird3
+Icon=thunderbird3.png
+Terminal=false
+Type=Application
+Categories=Network
+StartupNotify=true
+