diff --git a/core/resources/l10n/messages.properties b/core/resources/l10n/messages.properties
index 038159462..650a40db7 100644
--- a/core/resources/l10n/messages.properties
+++ b/core/resources/l10n/messages.properties
@@ -826,6 +826,7 @@ AppearanceCfg.but.edit = Edit
 AppearanceCfg.but.savedefault = Save as default appearance
 AppearanceCfg.lbl.Texture = Texture:
 AppearanceCfg.lbl.shine = Shine:
+AppearanceCfg.lbl.opacity = Opacity:
 AppearanceCfg.lbl.color.Color = Color:
 AppearanceCfg.lbl.color.diffuse = Diffuse Color:
 AppearanceCfg.lbl.color.ambient = Ambient Color:
diff --git a/core/src/net/sf/openrocket/appearance/AppearanceBuilder.java b/core/src/net/sf/openrocket/appearance/AppearanceBuilder.java
index f7becf700..08bdd6724 100644
--- a/core/src/net/sf/openrocket/appearance/AppearanceBuilder.java
+++ b/core/src/net/sf/openrocket/appearance/AppearanceBuilder.java
@@ -161,6 +161,34 @@ public class AppearanceBuilder extends AbstractChangeSource {
 		this.shine = shine;
 		fireChangeEvent();
 	}
+
+	/**
+	 * Returns the opacity of the paint color, expressed in percentages, where 0 is fully transparent and 1 is fully opaque
+	 * @return opacity value of the pain color, expressed in a percentage
+	 */
+	public double getOpacity() {
+		if (this.paint == null) {
+			return 100;
+		}
+		return (double) this.paint.getAlpha() / 255;
+	}
+
+	/**
+	 * Sets the opacity/alpha of the paint color.
+	 *
+	 * @param opacity new opacity value expressed in a percentage, where 0 is fully transparent and 1 is fully opaque
+	 */
+	public void setOpacity(double opacity) {
+		if (this.paint == null) {
+			return;
+		}
+
+		// Clamp opacity between 0 and 1
+		opacity = Math.max(0, Math.min(1, opacity));
+
+		this.paint.setAlpha((int) (opacity * 255));
+		fireChangeEvent();
+	}
 	
 	/**
 	*	gets the current offset axis U used
diff --git a/core/src/net/sf/openrocket/file/openrocket/savers/RocketComponentSaver.java b/core/src/net/sf/openrocket/file/openrocket/savers/RocketComponentSaver.java
index c4c37c13a..182612544 100644
--- a/core/src/net/sf/openrocket/file/openrocket/savers/RocketComponentSaver.java
+++ b/core/src/net/sf/openrocket/file/openrocket/savers/RocketComponentSaver.java
@@ -111,7 +111,9 @@ public class RocketComponentSaver {
 			if (c instanceof FinSet || c instanceof TubeFinSet) {
 				elements.add("<rotation>" + angleOffset + "</rotation>");
 			}
-			else if (!(c instanceof RailButton) && !(c instanceof PodSet)) {
+			else if (!(c instanceof ParallelStage) &&
+					 !(c instanceof PodSet) &&					 
+					 !(c instanceof RailButton)) {
 				elements.add("<radialdirection>" + angleOffset + "</radialdirection>");
 			}
 		}
diff --git a/core/src/net/sf/openrocket/file/openrocket/savers/RocketSaver.java b/core/src/net/sf/openrocket/file/openrocket/savers/RocketSaver.java
index d2630b6c7..fb03fe8ee 100644
--- a/core/src/net/sf/openrocket/file/openrocket/savers/RocketSaver.java
+++ b/core/src/net/sf/openrocket/file/openrocket/savers/RocketSaver.java
@@ -55,7 +55,7 @@ public class RocketSaver extends RocketComponentSaver {
 			}
 			
 			if (flightConfig.isNameOverridden()){
-				str += "><name>" + net.sf.openrocket.util.TextUtil.escapeXML(flightConfig.getName())
+				str += "><name>" + net.sf.openrocket.util.TextUtil.escapeXML(flightConfig.getNameRaw())
 						+ "</name></motorconfiguration>";
 			} else {
 				str += "/>";
diff --git a/core/src/net/sf/openrocket/rocketcomponent/FlightConfiguration.java b/core/src/net/sf/openrocket/rocketcomponent/FlightConfiguration.java
index 49377e579..2ec435327 100644
--- a/core/src/net/sf/openrocket/rocketcomponent/FlightConfiguration.java
+++ b/core/src/net/sf/openrocket/rocketcomponent/FlightConfiguration.java
@@ -34,7 +34,8 @@ public class FlightConfiguration implements FlightConfigurableParameter<FlightCo
 	private static final Logger log = LoggerFactory.getLogger(FlightConfiguration.class);
 	private static final Translator trans = Application.getTranslator();
 
-    private String configurationName=null;
+    private String configurationName;
+	public static String DEFAULT_CONFIG_NAME = "[{motors}]";
 	
 	protected final Rocket rocket;
 	protected final FlightConfigurationId fcid;
@@ -94,7 +95,7 @@ public class FlightConfiguration implements FlightConfigurableParameter<FlightCo
 			this.fcid = _fcid;
 		}
 		this.rocket = rocket;
-		this.configurationName = null;
+		this.configurationName = DEFAULT_CONFIG_NAME;
 		this.configurationInstanceId = configurationInstanceCount++;
 		
 		updateStages();
@@ -414,15 +415,31 @@ public class FlightConfiguration implements FlightConfigurableParameter<FlightCo
 	}
 	
 	public boolean isNameOverridden(){
-		return (null != this.configurationName );
+		return (!DEFAULT_CONFIG_NAME.equals(this.configurationName));
 	}
-	
+
+	/**
+	 * Return the name of this configuration, with DEFAULT_CONFIG_NAME replaced by a one line motor description.
+	 * If configurationName is null, the one line motor description is returned.
+	 * @return the flight configuration name
+	 */
 	public String getName() {
-		if( null == configurationName){
-			return this.getOneLineMotorDescription();
-		}else{
-			return configurationName;
+		if (configurationName == null) {
+			return getOneLineMotorDescription();
 		}
+		return configurationName.replace(DEFAULT_CONFIG_NAME, getOneLineMotorDescription());
+	}
+
+	/**
+	 * Return the raw configuration name, without replacing DEFAULT_CONFIG_NAME.
+	 * If the configurationName is null, DEFAULT_CONFIG_NAME is returned.
+	 * @return raw flight configuration name
+	 */
+	public String getNameRaw() {
+		if (configurationName == null) {
+			return DEFAULT_CONFIG_NAME;
+		}
+		return configurationName;
 	}
 	
 	private String getOneLineMotorDescription(){
@@ -699,6 +716,7 @@ public class FlightConfiguration implements FlightConfigurableParameter<FlightCo
         copy.modID = this.modID;
         copy.boundsModID = -1;
         copy.refLengthModID = -1;
+		copy.configurationName = configurationName;
         return copy;
     }
 
@@ -713,9 +731,9 @@ public class FlightConfiguration implements FlightConfigurableParameter<FlightCo
 		return id; 
 	}
 
-	public void setName( final String newName) {
-		if(( null == newName ) ||( "".equals(newName))){
-			this.configurationName = null;
+	public void setName(final String newName) {
+		if ((newName == null) || ("".equals(newName))) {
+			this.configurationName = DEFAULT_CONFIG_NAME;
 			return;
 		}else if( ! this.getId().isValid()){
 			return;
diff --git a/core/src/net/sf/openrocket/rocketcomponent/Rocket.java b/core/src/net/sf/openrocket/rocketcomponent/Rocket.java
index ae3bf05fe..92767e62f 100644
--- a/core/src/net/sf/openrocket/rocketcomponent/Rocket.java
+++ b/core/src/net/sf/openrocket/rocketcomponent/Rocket.java
@@ -861,7 +861,7 @@ public class Rocket extends ComponentAssembly {
 			if( this.selectedConfiguration.equals( config)){
 				shortKey = "=>" + shortKey;
 			}
-			buf.append(String.format(fmt, shortKey, config.getName() ));
+			buf.append(String.format(fmt, shortKey, config.getNameRaw() ));
 		}
 		return buf.toString();
 	}
diff --git a/swing/src/net/sf/openrocket/gui/configdialog/AppearancePanel.java b/swing/src/net/sf/openrocket/gui/configdialog/AppearancePanel.java
index cd8e2d580..eb683b4a3 100644
--- a/swing/src/net/sf/openrocket/gui/configdialog/AppearancePanel.java
+++ b/swing/src/net/sf/openrocket/gui/configdialog/AppearancePanel.java
@@ -580,15 +580,22 @@ public class AppearancePanel extends JPanel {
 		mDefault.addEnableComponent(offsetV, false);
 		panel.add(offsetV, "wrap, w 40");
 
-		// Repeat
-		panel.add(new JLabel(trans.get("AppearanceCfg.lbl.texture.repeat")));
-		EdgeMode[] list = new EdgeMode[EdgeMode.values().length];
-		System.arraycopy(EdgeMode.values(), 0, list, 0,
-				EdgeMode.values().length);
-		JComboBox<EdgeMode> combo = new JComboBox<EdgeMode>(new EnumModel<EdgeMode>(builder,
-				"EdgeMode", list));
-		mDefault.addEnableComponent(combo, false);
-		panel.add(combo);
+		// Opacity
+		panel.add(new JLabel(trans.get("AppearanceCfg.lbl.opacity")));
+		DoubleModel opacityModel = new DoubleModel(builder, "Opacity",
+				UnitGroup.UNITS_RELATIVE);
+		JSpinner spinOpacity = new JSpinner(opacityModel.getSpinnerModel());
+		spinOpacity.setEditor(new SpinnerEditor(spinOpacity));
+		JSlider slideOpacity = new JSlider(opacityModel.getSliderModel(0, 1));
+		UnitSelector unitOpacity = new UnitSelector(opacityModel);
+
+		mDefault.addEnableComponent(slideOpacity, false);
+		mDefault.addEnableComponent(spinOpacity, false);
+		mDefault.addEnableComponent(unitOpacity, false);
+
+		panel.add(spinOpacity, "split 3, w 50");
+		panel.add(unitOpacity);
+		panel.add(slideOpacity, "w 50");
 
 		// Rotation
 		panel.add(new JLabel(trans.get("AppearanceCfg.lbl.texture.rotation")));
@@ -603,5 +610,15 @@ public class AppearancePanel extends JPanel {
 				-Math.PI, Math.PI));
 		mDefault.addEnableComponent(bs, false);
 		panel.add(bs, "w 50, wrap");
+
+		// Repeat
+		panel.add(new JLabel(trans.get("AppearanceCfg.lbl.texture.repeat")), "skip 2");
+		EdgeMode[] list = new EdgeMode[EdgeMode.values().length];
+		System.arraycopy(EdgeMode.values(), 0, list, 0,
+				EdgeMode.values().length);
+		JComboBox<EdgeMode> combo = new JComboBox<EdgeMode>(new EnumModel<EdgeMode>(builder,
+				"EdgeMode", list));
+		mDefault.addEnableComponent(combo, false);
+		panel.add(combo, "wrap");
 	}
 }
diff --git a/swing/src/net/sf/openrocket/gui/configdialog/RocketComponentConfig.java b/swing/src/net/sf/openrocket/gui/configdialog/RocketComponentConfig.java
index daed8e7af..55b4dce42 100644
--- a/swing/src/net/sf/openrocket/gui/configdialog/RocketComponentConfig.java
+++ b/swing/src/net/sf/openrocket/gui/configdialog/RocketComponentConfig.java
@@ -149,7 +149,7 @@ public class RocketComponentConfig extends JPanel {
 		
 		updateFields();
 		
-		this.add(buttonPanel, "newline, spanx, growx, height 32!");
+		this.add(buttonPanel, "newline, spanx, growx");
 	}
 	
 	
diff --git a/swing/src/net/sf/openrocket/gui/dialogs/flightconfiguration/RenameConfigDialog.java b/swing/src/net/sf/openrocket/gui/dialogs/flightconfiguration/RenameConfigDialog.java
index 75d6d5744..b768b81b6 100644
--- a/swing/src/net/sf/openrocket/gui/dialogs/flightconfiguration/RenameConfigDialog.java
+++ b/swing/src/net/sf/openrocket/gui/dialogs/flightconfiguration/RenameConfigDialog.java
@@ -30,7 +30,7 @@ public class RenameConfigDialog extends JDialog {
 		
 		panel.add(new JLabel(trans.get("RenameConfigDialog.lbl.name")), "span, wrap rel");
 		
-		final JTextField textbox = new JTextField(rocket.getFlightConfiguration(fcid).getName());
+		final JTextField textbox = new JTextField(rocket.getFlightConfiguration(fcid).getNameRaw());
 		panel.add(textbox, "span, w 200lp, growx, wrap para");
 		
 		panel.add(new JPanel(), "growx");
diff --git a/swing/src/net/sf/openrocket/gui/dialogs/motor/MotorChooserDialog.java b/swing/src/net/sf/openrocket/gui/dialogs/motor/MotorChooserDialog.java
index ada3cb748..0148738f9 100644
--- a/swing/src/net/sf/openrocket/gui/dialogs/motor/MotorChooserDialog.java
+++ b/swing/src/net/sf/openrocket/gui/dialogs/motor/MotorChooserDialog.java
@@ -6,6 +6,8 @@ import java.awt.Window;
 import java.awt.event.ActionEvent;
 import java.awt.event.ActionListener;
 
+import javax.swing.AbstractAction;
+import javax.swing.Action;
 import javax.swing.JButton;
 import javax.swing.JComponent;
 import javax.swing.JDialog;
@@ -73,7 +75,13 @@ public class MotorChooserDialog extends JDialog implements CloseableDialog {
 		this.setModal(true);
 		this.pack();
 		this.setLocationByPlatform(true);
-		GUIUtil.installEscapeCloseOperation(this);
+		Action closeAction = new AbstractAction() {
+			@Override
+			public void actionPerformed(ActionEvent event) {
+				close(false);
+			}
+		};
+		GUIUtil.installEscapeCloseOperation(this, closeAction);
 		
 		JComponent focus = selectionPanel.getDefaultFocus();
 		if (focus != null) {
@@ -107,9 +115,13 @@ public class MotorChooserDialog extends JDialog implements CloseableDialog {
 	public double getSelectedDelay() {
 		return selectionPanel.getSelectedDelay();
 	}
-	
-	
-	
+
+	public void open() {
+		// Update the motor selection based on the motor table value that was already selected in a previous session.
+		selectionPanel.selectMotorFromTable();
+		setVisible(true);
+	}
+
 	@Override
 	public void close(boolean ok) {
 		okClicked = ok;
diff --git a/swing/src/net/sf/openrocket/gui/dialogs/motor/thrustcurve/ThrustCurveMotorSelectionPanel.java b/swing/src/net/sf/openrocket/gui/dialogs/motor/thrustcurve/ThrustCurveMotorSelectionPanel.java
index 8605ace7b..9bf036f25 100644
--- a/swing/src/net/sf/openrocket/gui/dialogs/motor/thrustcurve/ThrustCurveMotorSelectionPanel.java
+++ b/swing/src/net/sf/openrocket/gui/dialogs/motor/thrustcurve/ThrustCurveMotorSelectionPanel.java
@@ -112,14 +112,7 @@ public class ThrustCurveMotorSelectionPanel extends JPanel implements MotorSelec
 		setMotorMountAndConfig( fcid, mount );
 
 	}
-	
-	/**
-	 * Sole constructor.
-	 * 
-	 * @param current	the currently selected ThrustCurveMotor, or <code>null</code> for none.
-	 * @param delay		the currently selected ejection charge delay.
-	 * @param diameter	the diameter of the motor mount.
-	 */
+
 	public ThrustCurveMotorSelectionPanel() {
 		super(new MigLayout("fill", "[grow][]"));
 
@@ -264,17 +257,7 @@ public class ThrustCurveMotorSelectionPanel extends JPanel implements MotorSelec
 			table.getSelectionModel().addListSelectionListener(new ListSelectionListener() {
 				@Override
 				public void valueChanged(ListSelectionEvent e) {
-					int row = table.getSelectedRow();
-					if (row >= 0) {
-						row = table.convertRowIndexToModel(row);
-						ThrustCurveMotorSet motorSet = model.getMotorSet(row);
-						log.info(Markers.USER_MARKER, "Selected table row " + row + ": " + motorSet);
-						if (motorSet != selectedMotorSet) {
-							select(selectMotor(motorSet));
-						}
-					} else {
-						log.info(Markers.USER_MARKER, "Selected table row " + row + ", nothing selected");
-					}
+					selectMotorFromTable();
 				}
 			});
 			table.addMouseListener(new MouseAdapter() {
@@ -608,6 +591,23 @@ public class ThrustCurveMotorSelectionPanel extends JPanel implements MotorSelec
 		return list.get(0);
 	}
 
+	/**
+	 * Selects a new motor based on the selection in the motor table
+	 */
+	public void selectMotorFromTable() {
+		int row = table.getSelectedRow();
+		if (row >= 0) {
+			row = table.convertRowIndexToModel(row);
+			ThrustCurveMotorSet motorSet = model.getMotorSet(row);
+			log.info(Markers.USER_MARKER, "Selected table row " + row + ": " + motorSet);
+			if (motorSet != selectedMotorSet) {
+				select(selectMotor(motorSet));
+			}
+		} else {
+			log.info(Markers.USER_MARKER, "Selected table row " + row + ", nothing selected");
+		}
+	}
+
 
 	/**
 	 * Set the values in the delay combo box.  If <code>reset</code> is <code>true</code>
diff --git a/swing/src/net/sf/openrocket/gui/main/flightconfigpanel/FlightConfigurationPanel.java b/swing/src/net/sf/openrocket/gui/main/flightconfigpanel/FlightConfigurationPanel.java
index ce1a3115e..59d75641b 100644
--- a/swing/src/net/sf/openrocket/gui/main/flightconfigpanel/FlightConfigurationPanel.java
+++ b/swing/src/net/sf/openrocket/gui/main/flightconfigpanel/FlightConfigurationPanel.java
@@ -220,7 +220,7 @@ public class FlightConfigurationPanel extends JPanel implements StateChangeListe
 		if (fcIds == null) return;
 		FlightConfigurationId initFcId = fcIds.get(0);
 		new RenameConfigDialog(SwingUtilities.getWindowAncestor(this), rocket, initFcId).setVisible(true);
-		String newName = rocket.getFlightConfiguration(initFcId).getName();
+		String newName = rocket.getFlightConfiguration(initFcId).getNameRaw();
 		for (int i = 1; i < fcIds.size(); i++) {
 			rocket.getFlightConfiguration(fcIds.get(i)).setName(newName);
 		}
diff --git a/swing/src/net/sf/openrocket/gui/main/flightconfigpanel/MotorConfigurationPanel.java b/swing/src/net/sf/openrocket/gui/main/flightconfigpanel/MotorConfigurationPanel.java
index b96d05cd3..ad3c0f40b 100644
--- a/swing/src/net/sf/openrocket/gui/main/flightconfigpanel/MotorConfigurationPanel.java
+++ b/swing/src/net/sf/openrocket/gui/main/flightconfigpanel/MotorConfigurationPanel.java
@@ -288,7 +288,7 @@ public class MotorConfigurationPanel extends FlightConfigurablePanel<MotorMount>
         double initDelay = initMount.getMotorConfig(initFcId).getEjectionDelay();
 
 		motorChooserDialog.setMotorMountAndConfig(initFcId, initMount);
-		motorChooserDialog.setVisible(true);
+		motorChooserDialog.open();
 
         Motor mtr = motorChooserDialog.getSelectedMotor();
 		double d = motorChooserDialog.getSelectedDelay();
diff --git a/swing/src/net/sf/openrocket/gui/util/GUIUtil.java b/swing/src/net/sf/openrocket/gui/util/GUIUtil.java
index ba657497f..24234a846 100644
--- a/swing/src/net/sf/openrocket/gui/util/GUIUtil.java
+++ b/swing/src/net/sf/openrocket/gui/util/GUIUtil.java
@@ -157,9 +157,22 @@ public class GUIUtil {
 	 * @param dialog	the dialog for which to install the action.
 	 */
 	public static void installEscapeCloseOperation(final JDialog dialog) {
+		installEscapeCloseOperation(dialog, null);
+	}
+
+	/**
+	 * Add the correct action to close a JDialog when the ESC key is pressed.
+	 * The dialog is closed by sending it a WINDOW_CLOSING event.
+	 *
+	 * An additional action can be passed which will be executed upon the close action key.
+	 *
+	 * @param dialog	the dialog for which to install the action.
+	 * @param action	action to execute upon the close action
+	 */
+	public static void installEscapeCloseOperation(final JDialog dialog, Action action) {
 		Action dispatchClosing = new AbstractAction() {
 			/**
-			 * 
+			 *
 			 */
 			private static final long serialVersionUID = 9196153713666242274L;
 
@@ -172,6 +185,9 @@ public class GUIUtil {
 		JRootPane root = dialog.getRootPane();
 		root.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(ESCAPE, CLOSE_ACTION_KEY);
 		root.getActionMap().put(CLOSE_ACTION_KEY, dispatchClosing);
+		if (action != null) {
+			root.getActionMap().put(CLOSE_ACTION_KEY, action);
+		}
 	}