diff --git a/buckshot/buckshot.pro.user b/buckshot/buckshot.pro.user
index 0b4ea68..76653a2 100644
--- a/buckshot/buckshot.pro.user
+++ b/buckshot/buckshot.pro.user
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE QtCreatorProject>
-<!-- Written by QtCreator 4.1.0, 2016-12-18T20:27:08. -->
+<!-- Written by QtCreator 4.1.0, 2017-01-15T22:47:33. -->
 <qtcreator>
  <data>
   <variable>EnvironmentId</variable>
diff --git a/buckshot/mainwindow.cpp b/buckshot/mainwindow.cpp
index 45c6b2d..51c53e2 100644
--- a/buckshot/mainwindow.cpp
+++ b/buckshot/mainwindow.cpp
@@ -6,7 +6,8 @@
 #include "qtimer.h"
 #include "qmessagebox.h"
 #include "qinputdialog.h"
-
+#include "qformlayout.h"
+#include "qdialogbuttonbox.h"
 const QString MainWindow::programName = QString("buckshot");
 const QString MainWindow::version = QString("0.02");
 const QString MainWindow::imageName = QString("saved");
@@ -48,6 +49,21 @@ MainWindow::MainWindow(QWidget *parent) :
                 << "640 x 400 - Classic Size"
                 << "640 x 480 - Classic Size";
     ui->comboBox_inputResolution->addItems(inputResolutions);
+
+    // POPULATE DITHERING COMBOBOX
+    QStringList ditheringAlgorithms;
+    ditheringAlgorithms << "Default"
+                        << "1- Floyd-Steinberg"
+                        << "2- Jarvis"
+                        << "3- Stucki"
+                        << "4- Atkinson"
+                        << "5- Burkes"
+                        << "6- Sierra"
+                        << "7- Sierra Two"
+                        << "8- Sierra Lite"
+                        << "9- Buckels";
+    ui->comboBox_dithering->addItems(ditheringAlgorithms);
+
     // HANDLE DISPLAY MODE SELECTION (COMPATIBILITY)
     updateDisplayModes();
 
@@ -251,7 +267,12 @@ void MainWindow::on_pushButton_preview_clicked()
         args << colorBleedArg;
     }
 
-    args <<  "V";   // MUST HAVE!  OUR PREVIEW IMAGE
+    if (ui->comboBox_dithering->currentIndex() > 0) {
+        QString ditherArg = QString("D%1").arg(ui->comboBox_dithering->currentIndex());
+        args << ditherArg;
+    }
+
+    args <<  "V";   // MUST HAVE!  V FLAG GENERATES OUR PREVIEW IMAGE
 
     // RUN THE CONVERTER SCRIPT
     process.start(converterPath,args);
@@ -530,11 +551,11 @@ void MainWindow::on_pushButton_saveToProdos_clicked()
     if (ui->comboBox_outputFormat->currentText() == "LR") {
         savedFilename = QString("%1/%2.SLO").arg(tmpDirPath,imageName.toUpper());
         a2Filename = QString("%1.SLO").arg(imageName.toUpper());
-        auxtype = "400";    // different auxtype (not that is matters)
+        auxtype = "0400";    // different auxtype (not that it matters)
     } else if (ui->comboBox_outputFormat->currentText() == "DLR") {
         savedFilename = QString("%1/%2.DLO").arg(tmpDirPath,imageName.toUpper());
         a2Filename = QString("%1.DLO").arg(imageName.toUpper());
-        auxtype = "400";    // different auxtype (not that is matters)
+        auxtype = "0400";    // different auxtype (not that it matters)
     } else if (ui->comboBox_outputFormat->currentText() == "HGR") {
         savedFilename = QString("%1/%2CH.BIN").arg(tmpDirPath,imageName.toUpper());
         a2Filename = QString("%1CH.BIN").arg(imageName.toUpper());
@@ -547,10 +568,55 @@ void MainWindow::on_pushButton_saveToProdos_clicked()
     }
 
 
-    bool ok;
-    QString prodosFileName = QInputDialog::getText(this, tr("Save Image to ProDOS as"),
-                                         tr("ProDOS Name (max 15 chars):"), QLineEdit::Normal,
-                                         a2Filename, &ok);
+    bool ok = false;
+    QString prodosFileName;
+
+
+    // manually build name/auxtype dialog
+    QDialog dialog(this);
+    // Use a layout allowing to have a label next to each field
+    QFormLayout form(&dialog);
+
+    // Add some text above the fields
+    form.addRow(new QLabel(tr("Save Image to ProDOS")));
+
+    // Add the lineEdits with their respective labels
+    QList<QLineEdit *> fields;
+
+    QLineEdit *lineEdit = new QLineEdit(&dialog);
+    lineEdit->setText(a2Filename);
+    QString label = QString("ProDOS Name (max 15 chars):");
+    form.addRow(label, lineEdit);
+
+    QLineEdit *lineEdit2 = new QLineEdit(&dialog);
+    lineEdit2->setText(auxtype);
+    lineEdit2->setInputMask("HHHh");
+    QString label2 = QString("Change auxtype (optional): $");
+    form.addRow(label2, lineEdit2);
+
+    fields << lineEdit << lineEdit2;
+
+
+    // Add some standard buttons (Cancel/Ok) at the bottom of the dialog
+    QDialogButtonBox buttonBox(QDialogButtonBox::Ok | QDialogButtonBox::Cancel,
+                               Qt::Horizontal, &dialog);
+    form.addRow(&buttonBox);
+    QObject::connect(&buttonBox, SIGNAL(accepted()), &dialog, SLOT(accept()));
+    QObject::connect(&buttonBox, SIGNAL(rejected()), &dialog, SLOT(reject()));
+
+    // Show the dialog as modal
+    if (dialog.exec() == QDialog::Accepted) {
+        // If the user didn't dismiss the dialog, do something with the fields
+        prodosFileName = fields[0]->text();
+        auxtype = fields[1]->text();
+        ok = true;
+    }
+
+
+
+
+
+
     if (ok && !prodosFileName.isEmpty()) {
         // COPY IT ...  OVER EXISTING NAME?
         QString saveFile = QString("%1/%2").arg(tmpDirPath,prodosFileName);
@@ -633,3 +699,8 @@ void MainWindow::on_pushButton_saveToProdos_clicked()
 
     return;
 }
+
+void MainWindow::on_comboBox_dithering_currentIndexChanged(int index)
+{
+    updateNeeded = 1;
+}
diff --git a/buckshot/mainwindow.h b/buckshot/mainwindow.h
index 150fb09..b38c65b 100644
--- a/buckshot/mainwindow.h
+++ b/buckshot/mainwindow.h
@@ -41,6 +41,8 @@ private slots:
     void on_pushButton_saveToProdos_clicked();
 
 
+    void on_comboBox_dithering_currentIndexChanged(int index);
+
 private:
     Ui::MainWindow *ui;
     void updateInputSize();
diff --git a/buckshot/mainwindow.ui b/buckshot/mainwindow.ui
index c660e40..d7a23e2 100644
--- a/buckshot/mainwindow.ui
+++ b/buckshot/mainwindow.ui
@@ -19,8 +19,8 @@
      <rect>
       <x>10</x>
       <y>40</y>
-      <width>331</width>
-      <height>241</height>
+      <width>311</width>
+      <height>221</height>
      </rect>
     </property>
     <property name="title">
@@ -30,9 +30,9 @@
      <property name="geometry">
       <rect>
        <x>10</x>
-       <y>25</y>
-       <width>306</width>
-       <height>210</height>
+       <y>24</y>
+       <width>291</width>
+       <height>191</height>
       </rect>
      </property>
      <property name="text">
@@ -59,7 +59,7 @@
      <property name="geometry">
       <rect>
        <x>11</x>
-       <y>22</y>
+       <y>24</y>
        <width>280</width>
        <height>192</height>
       </rect>
@@ -83,7 +83,11 @@
     </property>
     <layout class="QHBoxLayout" name="horizontalLayout">
      <item>
-      <widget class="QLineEdit" name="lineEdit_sourceFilename"/>
+      <widget class="QLineEdit" name="lineEdit_sourceFilename">
+       <property name="readOnly">
+        <bool>true</bool>
+       </property>
+      </widget>
      </item>
      <item>
       <widget class="QPushButton" name="pushButton_sourceFilename">
@@ -110,8 +114,8 @@
    <widget class="QLabel" name="label_crossHatch">
     <property name="geometry">
      <rect>
-      <x>320</x>
-      <y>407</y>
+      <x>305</x>
+      <y>378</y>
       <width>31</width>
       <height>16</height>
      </rect>
@@ -123,8 +127,8 @@
    <widget class="QLabel" name="label_colorBleed">
     <property name="geometry">
      <rect>
-      <x>320</x>
-      <y>439</y>
+      <x>305</x>
+      <y>410</y>
       <width>31</width>
       <height>16</height>
      </rect>
@@ -136,7 +140,7 @@
    <widget class="QCheckBox" name="checkBox_livePreview">
     <property name="geometry">
      <rect>
-      <x>420</x>
+      <x>360</x>
       <y>260</y>
       <width>101</width>
       <height>30</height>
@@ -150,8 +154,8 @@
     <property name="geometry">
      <rect>
       <x>147</x>
-      <y>438</y>
-      <width>161</width>
+      <y>408</y>
+      <width>151</width>
       <height>22</height>
      </rect>
     </property>
@@ -163,7 +167,7 @@
     <property name="geometry">
      <rect>
       <x>8</x>
-      <y>296</y>
+      <y>266</y>
       <width>134</width>
       <height>20</height>
      </rect>
@@ -179,8 +183,8 @@
     <property name="geometry">
      <rect>
       <x>147</x>
-      <y>294</y>
-      <width>201</width>
+      <y>264</y>
+      <width>181</width>
       <height>26</height>
      </rect>
     </property>
@@ -189,7 +193,7 @@
     <property name="geometry">
      <rect>
       <x>0</x>
-      <y>438</y>
+      <y>408</y>
       <width>140</width>
       <height>20</height>
      </rect>
@@ -205,7 +209,7 @@
     <property name="geometry">
      <rect>
       <x>105</x>
-      <y>380</y>
+      <y>350</y>
       <width>37</width>
       <height>16</height>
      </rect>
@@ -221,7 +225,7 @@
     <property name="geometry">
      <rect>
       <x>0</x>
-      <y>400</y>
+      <y>370</y>
       <width>140</width>
       <height>30</height>
      </rect>
@@ -237,7 +241,7 @@
     <property name="geometry">
      <rect>
       <x>28</x>
-      <y>326</y>
+      <y>296</y>
       <width>114</width>
       <height>16</height>
      </rect>
@@ -253,8 +257,8 @@
     <property name="geometry">
      <rect>
       <x>147</x>
-      <y>348</y>
-      <width>201</width>
+      <y>318</y>
+      <width>181</width>
       <height>26</height>
      </rect>
     </property>
@@ -263,8 +267,8 @@
     <property name="geometry">
      <rect>
       <x>147</x>
-      <y>404</y>
-      <width>161</width>
+      <y>374</y>
+      <width>151</width>
       <height>22</height>
      </rect>
     </property>
@@ -279,7 +283,7 @@
     <property name="geometry">
      <rect>
       <x>150</x>
-      <y>326</y>
+      <y>296</y>
       <width>211</width>
       <height>16</height>
      </rect>
@@ -292,7 +296,7 @@
     <property name="geometry">
      <rect>
       <x>21</x>
-      <y>350</y>
+      <y>320</y>
       <width>121</width>
       <height>20</height>
      </rect>
@@ -308,7 +312,7 @@
     <property name="geometry">
      <rect>
       <x>150</x>
-      <y>380</y>
+      <y>350</y>
       <width>211</width>
       <height>16</height>
      </rect>
@@ -336,15 +340,15 @@
    <widget class="QPlainTextEdit" name="plainTextEdit_lastCmd">
     <property name="geometry">
      <rect>
-      <x>370</x>
+      <x>360</x>
       <y>380</y>
-      <width>291</width>
+      <width>301</width>
       <height>79</height>
      </rect>
     </property>
     <property name="font">
      <font>
-      <pointsize>9</pointsize>
+      <pointsize>10</pointsize>
      </font>
     </property>
    </widget>
@@ -364,10 +368,10 @@
    <widget class="Line" name="line">
     <property name="geometry">
      <rect>
-      <x>350</x>
-      <y>290</y>
+      <x>330</x>
+      <y>270</y>
       <width>20</width>
-      <height>181</height>
+      <height>201</height>
      </rect>
     </property>
     <property name="orientation">
@@ -387,6 +391,32 @@
      <string>Save To ProDOS</string>
     </property>
    </widget>
+   <widget class="QLabel" name="label_8">
+    <property name="geometry">
+     <rect>
+      <x>20</x>
+      <y>440</y>
+      <width>121</width>
+      <height>20</height>
+     </rect>
+    </property>
+    <property name="text">
+     <string>Dithering:</string>
+    </property>
+    <property name="alignment">
+     <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
+    </property>
+   </widget>
+   <widget class="QComboBox" name="comboBox_dithering">
+    <property name="geometry">
+     <rect>
+      <x>147</x>
+      <y>440</y>
+      <width>181</width>
+      <height>26</height>
+     </rect>
+    </property>
+   </widget>
   </widget>
   <widget class="QMenuBar" name="menuBar">
    <property name="geometry">