diff --git a/rak/timer.h b/rak/timer.h
index faaa0da0..67bdc1c7 100644
--- a/rak/timer.h
+++ b/rak/timer.h
@@ -54,6 +54,7 @@ class timer {
   int64_t             usec() const                       { return m_time; }
 
   timer               round_seconds() const              { return (m_time / 1000000) * 1000000; }
+  timer               round_seconds_ceiling() const      { return ((m_time + 1000000 - 1) / 1000000) * 1000000; }
 
   timeval             tval() const {
     timeval val;
diff --git a/src/command_download.cc b/src/command_download.cc
index 8fb05c13..940cb13f 100644
--- a/src/command_download.cc
+++ b/src/command_download.cc
@@ -48,6 +48,7 @@
 #include <torrent/rate.h>
 #include <torrent/throttle.h>
 #include <torrent/tracker.h>
+#include <torrent/tracker_controller.h>
 #include <torrent/connection_manager.h>
 #include <torrent/data/download_data.h>
 #include <torrent/data/file.h>
@@ -61,6 +62,7 @@
 #include "core/download.h"
 #include "core/download_store.h"
 #include "core/manager.h"
+#include "rpc/parse.h"
 
 #include "globals.h"
 #include "control.h"
@@ -458,6 +460,25 @@ p_call_target(const torrent::Object::list_type& args) {
   return rpc::commands.call(command_key.c_str(), torrent::Object::create_list_range(itr, args.end()));
 }
 
+torrent::Object
+download_tracker_insert(core::Download* download, const torrent::Object::list_type& args) {
+  if (args.size() != 2)
+    throw torrent::input_error("Wrong argument count.");
+
+  int64_t group;
+
+  if (args.front().is_string())
+    rpc::parse_whole_value_nothrow(args.front().as_string().c_str(), &group);
+  else
+    group = args.front().as_value();
+
+  if (group < 0 || group > 32)
+    throw torrent::input_error("Tracker group number invalid.");
+
+  download->download()->tracker_controller()->insert(group, args.back().as_string(), true);
+  return torrent::Object();
+}
+
 //
 // New download commands and macros:
 //
@@ -800,8 +821,10 @@ initialize_command_download() {
   CMD2_DL_V       ("d.tracker_announce",     std::bind(&torrent::Download::manual_request, CMD2_BIND_DL, false)); 
   CMD2_DL         ("d.tracker_numwant",      std::bind(&torrent::TrackerList::numwant, CMD2_BIND_TL));
   CMD2_DL_VALUE_V ("d.tracker_numwant.set",  std::bind(&torrent::TrackerList::set_numwant, CMD2_BIND_TL, std::placeholders::_2));
-  CMD2_DL         ("d.tracker_focus",        std::bind(&torrent::TrackerList::focus_index, CMD2_BIND_TL));
+  // TODO: Deprecate 'd.tracker_focus'.
+  CMD2_DL         ("d.tracker_focus",        std::bind(&core::Download::tracker_list_size, std::placeholders::_1));
   CMD2_DL         ("d.tracker_size",         std::bind(&core::Download::tracker_list_size, std::placeholders::_1));
+  CMD2_DL_LIST    ("d.tracker.insert",       std::bind(&download_tracker_insert, std::placeholders::_1, std::placeholders::_2));
 
   CMD2_DL         ("d.directory",          CMD2_ON_FL(root_dir));
   CMD2_DL_STRING_V("d.directory.set",      std::bind(&apply_d_directory, std::placeholders::_1, std::placeholders::_2));
diff --git a/src/command_tracker.cc b/src/command_tracker.cc
index 7fa22d68..6da29dea 100644
--- a/src/command_tracker.cc
+++ b/src/command_tracker.cc
@@ -45,11 +45,19 @@
 #include "control.h"
 #include "command_helpers.h"
 
+void
+tracker_set_enabled(torrent::Tracker* tracker, bool state) {
+  if (state)
+    tracker->enable();
+  else
+    tracker->disable();
+}
+
 void
 initialize_command_tracker() {
   CMD2_TRACKER        ("t.is_open",           std::bind(&torrent::Tracker::is_busy, std::placeholders::_1));
   CMD2_TRACKER        ("t.is_enabled",        std::bind(&torrent::Tracker::is_enabled, std::placeholders::_1));
-  CMD2_TRACKER_VALUE_V("t.is_enabled.set",    std::bind(&torrent::Tracker::set_enabled, std::placeholders::_1, std::placeholders::_2));
+  CMD2_TRACKER_VALUE_V("t.is_enabled.set",    std::bind(&tracker_set_enabled, std::placeholders::_1, std::placeholders::_2));
   CMD2_TRACKER_V      ("t.enable",            std::bind(&torrent::Tracker::enable, std::placeholders::_1));
   CMD2_TRACKER_V      ("t.disable",           std::bind(&torrent::Tracker::disable, std::placeholders::_1));
 
diff --git a/src/display/window_tracker_list.cc b/src/display/window_tracker_list.cc
index ffd5bc2a..6ede0c52 100644
--- a/src/display/window_tracker_list.cc
+++ b/src/display/window_tracker_list.cc
@@ -89,9 +89,8 @@ WindowTrackerList::redraw() {
                     tracker->url().c_str());
 
     if (pos < m_canvas->height())
-      m_canvas->print(4, pos++, "Id: %s Focus: %s Failed: %u/%u Enabled: %s Open: %s S/L: %u/%u",
+      m_canvas->print(4, pos++, "Id: %s Failed: %u/%u Enabled: %s Open: %s S/L: %u/%u",
                       rak::copy_escape_html(tracker->tracker_id()).c_str(),
-                      range.first == tl->focus_index() ? "yes" : " no",
                       tracker->failed_counter(),
                       tracker->success_counter(),
                       tracker->is_usable() ? "yes" : tracker->is_enabled() ? "off" : " no",