diff --git a/pom.xml b/pom.xml
index 135449a4..14d27278 100644
--- a/pom.xml
+++ b/pom.xml
@@ -9,7 +9,7 @@
 
     <groupId>org.embl.mobie</groupId>
     <artifactId>mobie-viewer-fiji</artifactId>
-    <version>5.2.0</version>
+    <version>5.2.1</version>
 
     <!-- mvn clean install -Dmaven.test.skip=true -Dscijava.app.directory=/Users/tischer/Desktop/Fiji/Fiji-MoBIE.app -->
 
diff --git a/src/main/java/org/embl/mobie/command/context/AbstractTransformationCommand.java b/src/main/java/org/embl/mobie/command/context/AbstractTransformationCommand.java
index d6500944..57d38aa0 100644
--- a/src/main/java/org/embl/mobie/command/context/AbstractTransformationCommand.java
+++ b/src/main/java/org/embl/mobie/command/context/AbstractTransformationCommand.java
@@ -67,9 +67,9 @@ public abstract class AbstractTransformationCommand extends DynamicCommand imple
     public SelectableImages selectedImages;
 
     // FIXME: change the suffix based on the registration method in an init()
-    @Parameter ( label = "Transformed image(s) suffix",
+    @Parameter ( label = "Transformed image(s) suffix", persist = false,
             description = "Upon transformation this suffix will be appended to the moving image name.\n" +
-                    "Carefully choose a meaningful suffix here that will create a unique new image name.\n" +
+                    "Carefully choose a meaningful suffix here to create a UNIQUE new image name.\n" +
                     "If you leave this empty the input image view will be overwritten.")
     public String suffix = "transformed";
 
diff --git a/src/main/java/org/embl/mobie/command/context/BigWarpRegistrationCommand.java b/src/main/java/org/embl/mobie/command/context/BigWarpRegistrationCommand.java
index 4af4be87..52ae9439 100644
--- a/src/main/java/org/embl/mobie/command/context/BigWarpRegistrationCommand.java
+++ b/src/main/java/org/embl/mobie/command/context/BigWarpRegistrationCommand.java
@@ -70,7 +70,7 @@ public void initialize()
 		super.initialize();
 
 		getInfo().getMutableInput( "suffix", String.class )
-				.setValue( this, "bigWarp");
+				.setValue( this, "bw");
 	}
 
 	public void applyTransform()
diff --git a/src/main/java/org/embl/mobie/command/context/EnterTransformationCommand.java b/src/main/java/org/embl/mobie/command/context/EnterTransformationCommand.java
index ab0c6c1c..dad2e679 100644
--- a/src/main/java/org/embl/mobie/command/context/EnterTransformationCommand.java
+++ b/src/main/java/org/embl/mobie/command/context/EnterTransformationCommand.java
@@ -55,7 +55,7 @@ public void initialize()
 		super.initialize();
 
 		getInfo().getMutableInput( "suffix", String.class )
-				.setValue( this, "enter_transformation");
+				.setValue( this, "et");
 	}
 
 	private void applyTransform()
diff --git a/src/main/java/org/embl/mobie/command/context/FlipCommand.java b/src/main/java/org/embl/mobie/command/context/FlipCommand.java
index 68463cba..e4f347c9 100644
--- a/src/main/java/org/embl/mobie/command/context/FlipCommand.java
+++ b/src/main/java/org/embl/mobie/command/context/FlipCommand.java
@@ -57,19 +57,16 @@ public class FlipCommand extends AbstractTransformationCommand
 	public void initialize()
 	{
 		super.initialize();
-	}
 
-//	@Override
-//	protected void previewTransform()
-//	{
-//		super.previewTransform( createFlipTransform( movingSacs ) );
-//	}
+		getInfo().getMutableInput( "suffix", String.class )
+				.setValue( this, "flip");
+	}
 
-	public void applyTransform()
+	public void applyTransform() // callback
 	{
 		setMovingImages();
 
-		// FIXME: This needs a transform for each of the sacs
+		// FIXME: This needs a different transform for each of the sacs
 		AffineTransform3D transform = createFlipTransform( movingSacs.iterator().next() );
 		applyTransform( transform );
 	}
diff --git a/src/main/java/org/embl/mobie/command/context/ManualTransformationCommand.java b/src/main/java/org/embl/mobie/command/context/ManualTransformationCommand.java
index 19fd8a7c..7770da5d 100644
--- a/src/main/java/org/embl/mobie/command/context/ManualTransformationCommand.java
+++ b/src/main/java/org/embl/mobie/command/context/ManualTransformationCommand.java
@@ -70,7 +70,7 @@ public void initialize()
 		super.initialize();
 
 		getInfo().getMutableInput( "suffix", String.class )
-				.setValue( this, "manual_transformation");
+				.setValue( this, "mt");
 	}
 
 	public void startManualTransform()