diff -Naur thunar-archive-plugin-0.2.4-old/thunar-archive-plugin/tap-provider.c thunar-archive-plugin-0.2.4/thunar-archive-plugin/tap-provider.c
--- thunar-archive-plugin-0.2.4-old/thunar-archive-plugin/tap-provider.c	2007-01-20 12:41:50.000000000 +0200
+++ thunar-archive-plugin-0.2.4/thunar-archive-plugin/tap-provider.c	2010-01-10 01:05:12.857875928 +0200
@@ -97,6 +97,8 @@
 
 
 static const gchar TAP_MIME_TYPES[][34] = {
+  "application/x-7z-compressed",
+  "application/x-7z-compressed-tar",
   "application/x-ar",
   "application/x-arj",
   "application/x-bzip",
@@ -108,9 +110,13 @@
   "application/x-gzip",
   "application/x-lha",
   "application/x-lhz",
+  "application/x-lzma",
+  "application/x-lzma-compressed-tar",
   "application/x-rar",
   "application/x-rar-compressed",
   "application/x-tar",
+  "application/x-xz",
+  "application/x-xz-compressed-tar",
   "application/x-zip",
   "application/x-zip-compressed",
   "application/zip",