diff --git a/tools/lammps-gui/CMakeLists.txt b/tools/lammps-gui/CMakeLists.txt
index 28169adf36..0746a4fe33 100644
--- a/tools/lammps-gui/CMakeLists.txt
+++ b/tools/lammps-gui/CMakeLists.txt
@@ -1,6 +1,6 @@
 cmake_minimum_required(VERSION 3.16)
 
-project(lammps-gui VERSION 1.2.0 LANGUAGES CXX)
+project(lammps-gui VERSION 1.2.1 LANGUAGES CXX)
 
 set(CMAKE_AUTOUIC ON)
 set(CMAKE_AUTOMOC ON)
diff --git a/tools/lammps-gui/emblem-default.png b/tools/lammps-gui/emblem-default.png
deleted file mode 100644
index 84fe175a0e..0000000000
Binary files a/tools/lammps-gui/emblem-default.png and /dev/null differ
diff --git a/tools/lammps-gui/imageviewer.cpp b/tools/lammps-gui/imageviewer.cpp
index a6a661880d..f661db8708 100644
--- a/tools/lammps-gui/imageviewer.cpp
+++ b/tools/lammps-gui/imageviewer.cpp
@@ -60,21 +60,33 @@ ImageViewer::ImageViewer(const QString &fileName, LammpsWrapper *_lammps, QWidge
 
     auto *dossao = new QPushButton(QIcon(":/hd-img.png"), "");
     dossao->setCheckable(true);
+    dossao->setToolTip("Toggle SSAO rendering");
     auto *doanti = new QPushButton(QIcon(":/antialias.png"), "");
     doanti->setCheckable(true);
+    doanti->setToolTip("Toggle anti-aliasing");
     auto *dobox = new QPushButton(QIcon(":/system-box.png"), "");
     dobox->setCheckable(true);
+    dobox->setToolTip("Toggle displaying box");
     auto *doaxes = new QPushButton(QIcon(":/axes-img.png"), "");
     doaxes->setCheckable(true);
+    doaxes->setToolTip("Toggle displaying axes");
     auto *zoomin   = new QPushButton(QIcon(":/gtk-zoom-in.png"), "");
+    zoomin->setToolTip("Zoom in by 10 percent");
     auto *zoomout  = new QPushButton(QIcon(":/gtk-zoom-out.png"), "");
+    zoomout->setToolTip("Zoom out by 10 percent");
     auto *rotleft  = new QPushButton(QIcon(":/object-rotate-left.png"), "");
+    rotleft->setToolTip("Rotate left by 15 degrees");
     auto *rotright = new QPushButton(QIcon(":/object-rotate-right.png"), "");
+    rotright->setToolTip("Rotate right by 15 degrees");
     auto *rotup    = new QPushButton(QIcon(":/gtk-go-up.png"), "");
+    rotup->setToolTip("Rotate up by 15 degrees");
     auto *rotdown  = new QPushButton(QIcon(":/gtk-go-down.png"), "");
+    rotdown->setToolTip("Rotate down by 15 degrees");
     auto *reset    = new QPushButton(QIcon(":/gtk-zoom-fit.png"), "");
+    reset->setToolTip("Reset view to defaults");
     auto *combo    = new QComboBox;
     combo->setObjectName("group");
+    combo->setToolTip("Select group to display");
     int ngroup = lammps->id_count("group");
     char gname[64];
     for (int i = 0; i < ngroup; ++i) {
@@ -215,28 +227,28 @@ void ImageViewer::do_zoom_out()
 
 void ImageViewer::do_rot_left()
 {
-    vrot -= 15;
+    vrot -= 10;
     if (vrot < -180) vrot += 360;
     createImage();
 }
 
 void ImageViewer::do_rot_right()
 {
-    vrot += 15;
+    vrot += 10;
     if (vrot > 180) vrot -= 360;
     createImage();
 }
 
 void ImageViewer::do_rot_down()
 {
-    hrot -= 15;
+    hrot -= 10;
     if (hrot < 0) hrot += 360;
     createImage();
 }
 
 void ImageViewer::do_rot_up()
 {
-    hrot += 15;
+    hrot += 10;
     if (hrot > 360) hrot -= 360;
     createImage();
 }
diff --git a/tools/lammps-gui/lammpsgui.cpp b/tools/lammps-gui/lammpsgui.cpp
index d4daf198e9..e3b7979a53 100644
--- a/tools/lammps-gui/lammpsgui.cpp
+++ b/tools/lammps-gui/lammpsgui.cpp
@@ -34,6 +34,7 @@
 #include <QPlainTextEdit>
 #include <QProcess>
 #include <QProgressBar>
+#include <QPushButton>
 #include <QSettings>
 #include <QShortcut>
 #include <QStatusBar>
@@ -241,7 +242,22 @@ LammpsGui::LammpsGui(QWidget *parent, const char *filename) :
     auto pix     = QPixmap(":/lammps-icon-128x128.png");
     lammpsstatus->setPixmap(pix.scaled(22, 22, Qt::KeepAspectRatio));
     ui->statusbar->addWidget(lammpsstatus);
+    lammpsstatus->setToolTip("LAMMPS instance is active");
     lammpsstatus->hide();
+
+    auto *lammpsrun = new QPushButton(QIcon(":/system-run.png"),"");
+    auto *lammpsstop = new QPushButton(QIcon(":/process-stop.png"), "");
+    auto *lammpsimage = new QPushButton(QIcon(":/emblem-photos.png"), "");
+    lammpsrun->setToolTip("Run LAMMPS on input");
+    lammpsstop->setToolTip("Stop LAMMPS");
+    lammpsimage->setToolTip("Create snapshot image");
+    ui->statusbar->addWidget(lammpsrun);
+    ui->statusbar->addWidget(lammpsstop);
+    ui->statusbar->addWidget(lammpsimage);
+    connect(lammpsrun, &QPushButton::released, this, &LammpsGui::run_buffer);
+    connect(lammpsstop, &QPushButton::released, this, &LammpsGui::stop_run);
+    connect(lammpsimage, &QPushButton::released, this, &LammpsGui::render_image);
+    
     status = new QLabel("Ready.");
     status->setFixedWidth(300);
     ui->statusbar->addWidget(status);
diff --git a/tools/lammps-gui/lammpsgui.qrc b/tools/lammps-gui/lammpsgui.qrc
index 88526719f0..826252ccd5 100644
--- a/tools/lammps-gui/lammpsgui.qrc
+++ b/tools/lammps-gui/lammpsgui.qrc
@@ -33,7 +33,7 @@
         <file>help-about.png</file>
         <file>emblem-photos.png</file>
         <file>process-stop.png</file>
-        <file>emblem-default.png</file>
+        <file>system-run.png</file>
         <file>window-close.png</file>
         <file>application-plot.png</file>
         <file>application-calc.png</file>
diff --git a/tools/lammps-gui/lammpsgui.ui b/tools/lammps-gui/lammpsgui.ui
index 6bda61dbb4..635ec25db6 100644
--- a/tools/lammps-gui/lammpsgui.ui
+++ b/tools/lammps-gui/lammpsgui.ui
@@ -212,7 +212,7 @@
   </action>
   <action name="actionRun_Buffer">
    <property name="icon">
-    <iconset theme=":/emblem-default.png"/>
+    <iconset theme=":/system-run.png"/>
    </property>
    <property name="text">
     <string>&amp;Run LAMMPS</string>
diff --git a/tools/lammps-gui/process-stop.png b/tools/lammps-gui/process-stop.png
index 5f547cfee3..b85df6bcab 100644
Binary files a/tools/lammps-gui/process-stop.png and b/tools/lammps-gui/process-stop.png differ
diff --git a/tools/lammps-gui/system-run.png b/tools/lammps-gui/system-run.png
new file mode 100644
index 0000000000..3aad101a21
Binary files /dev/null and b/tools/lammps-gui/system-run.png differ