diff --git a/NuTemplateEditor/NuTemplateDWRDElement.m b/NuTemplateEditor/NuTemplateDWRDElement.m
index ed4f041..1d45414 100644
--- a/NuTemplateEditor/NuTemplateDWRDElement.m
+++ b/NuTemplateEditor/NuTemplateDWRDElement.m
@@ -30,7 +30,7 @@
 }
 
 
--(void)	readDataFrom: (NuTemplateStream*)stream containingArray: (NSMutableArray*)containing
+-(void)	readDataFrom: (NuTemplateStream*)stream
 {
 	[stream readAmount:2 toBuffer: &shortValue];
 }
diff --git a/NuTemplateEditor/NuTemplateElement.h b/NuTemplateEditor/NuTemplateElement.h
index ad3e3ae..85f313d 100644
--- a/NuTemplateEditor/NuTemplateElement.h
+++ b/NuTemplateEditor/NuTemplateElement.h
@@ -22,8 +22,9 @@
 
 @interface NuTemplateElement : NSObject <NSCopying>
 {
-	NSString*		type;
-	NSString*		label;
+	NSString*		type;			// Type code of this item (4 chars if from TMPL resource, but we may support longer types later).
+	NSString*		label;			// Label ("name") of this field.
+	NSMutableArray*	containing;		// The NSMutableArray* of the template field containing us, or the template window's list.
 }
 
 +(id)					elementForType: (NSString*)type withLabel: (NSString*)label;
@@ -37,6 +38,9 @@
 -(void)					setLabel:(NSString*)l;
 -(NSString*)			label;
 
+-(void)					setContaining: (NSMutableArray*)arr;
+-(NSMutableArray*)		containing;
+
 -(NSString*)			stringValue;	// Used to display your data in the list.
 
 // Items that have sub-items (like LSTB, LSTZ, LSTC and other lists) should implement these:
@@ -45,7 +49,7 @@
 -(void)					readSubElementsFrom: (NuTemplateStream*)stream;
 
 // This is called on an item of your class when displaying resource data using a template that uses your field:
--(void)					readDataFrom: (NuTemplateStream*)stream containingArray: (NSMutableArray*)containing;
+-(void)					readDataFrom: (NuTemplateStream*)stream;
 
 // This is used to instantiate copies of the item from the template for storing data of the resource. A copy created with this is then sent readDataFrom:.
 -(id)					copyWithZone: (NSZone*)zone;
diff --git a/NuTemplateEditor/NuTemplateElement.m b/NuTemplateEditor/NuTemplateElement.m
index ddaa099..a4de1e0 100644
--- a/NuTemplateEditor/NuTemplateElement.m
+++ b/NuTemplateEditor/NuTemplateElement.m
@@ -22,6 +22,7 @@
 	{
 		label = [l retain];
 		type = [t retain];
+		containing = nil;
 	}
 	
 	return self;
@@ -69,6 +70,16 @@
 	return label;
 }
 
+-(void)		setContaining: (NSMutableArray*)arr
+{
+	containing = arr;	// It contains *us*, so it's unlikely it survives longer than we'd do, and we don't want to create a ring.
+}
+
+-(NSMutableArray*)		containing
+{
+	return containing;
+}
+
 
 -(int)	subElementCount
 {
@@ -86,7 +97,7 @@
 }
 
 
--(void)	readDataFrom: (NuTemplateStream*)stream containingArray: (NSMutableArray*)containing
+-(void)	readDataFrom: (NuTemplateStream*)stream
 {
 	// You should read whatever kind of data your template field stands for from "stream"
 	//	and store it in an instance variable.
diff --git a/NuTemplateEditor/NuTemplateLSTBElement.h b/NuTemplateEditor/NuTemplateLSTBElement.h
index 0320e4b..c195f57 100644
--- a/NuTemplateEditor/NuTemplateLSTBElement.h
+++ b/NuTemplateEditor/NuTemplateLSTBElement.h
@@ -6,6 +6,7 @@
 //  Copyright (c) 2003 M. Uli Kusterer. All rights reserved.
 //
 
+#import <AppKit/AppKit.h>
 #import "NuTemplateGroupElement.h"
 
 
@@ -14,4 +15,6 @@
 	
 }
 
+-(IBAction)	showCreateResourceSheet: (id)sender;
+
 @end
diff --git a/NuTemplateEditor/NuTemplateLSTBElement.m b/NuTemplateEditor/NuTemplateLSTBElement.m
index 0c67f8b..ddb4591 100644
--- a/NuTemplateEditor/NuTemplateLSTBElement.m
+++ b/NuTemplateEditor/NuTemplateLSTBElement.m
@@ -25,7 +25,7 @@
 }
 
 
--(void)	readDataFrom: (NuTemplateStream*)stream containingArray: (NSMutableArray*)containing
+-(void)	readDataFrom: (NuTemplateStream*)stream
 {
 	NSEnumerator		*enny = [subElements objectEnumerator];
 	NuTemplateElement	*el, *nextItem;
@@ -36,7 +36,7 @@
 		fill themselves with default values. */
 	while( el = [enny nextObject] )
 	{
-		[el readDataFrom: stream containingArray: subElements];
+		[el readDataFrom: stream];
 	}
 	
 	/* Read additional elements until we have enough items,
@@ -47,13 +47,15 @@
 		{
 			nextItem = [self copy];				// Make another list item just like this one.
 			[containing addObject: nextItem];	// Add it below ourselves.
-			[nextItem readDataFrom:stream containingArray:nil];	// Read it the same way we were.
+			[nextItem readDataFrom:stream];		// Read it the same way we were.
+			[nextItem setContaining: containing];	// Set "containing" *after* readDataFrom so it doesn't pass the "containing == nil" check above.
 		}
 		
 		// Now add a terminating 'LSTE' item:
 		NuTemplateLSTEElement*	tlee;
 		tlee = [NuTemplateLSTEElement elementForType:@"LSTE" withLabel:label];
 		[containing addObject: tlee];
+		[tlee setContaining: containing];
 		
 		if( bytesToGoAtStart == 0 )		// It's an empty list. Delete this LSTB again, so we only have the empty LSTE.
 		{
@@ -72,5 +74,14 @@
 }
 
 
+-(IBAction)	showCreateResourceSheet: (id)sender
+{
+	unsigned			idx = [containing indexOfObject:self];
+	NuTemplateElement*	te = [self copy];
+	[containing insertObject:te atIndex:idx+1];
+	[te setContaining:containing];
+}
+
+
 
 @end
diff --git a/NuTemplateEditor/NuTemplateLSTEElement.h b/NuTemplateEditor/NuTemplateLSTEElement.h
index dfc82cf..280e854 100644
--- a/NuTemplateEditor/NuTemplateLSTEElement.h
+++ b/NuTemplateEditor/NuTemplateLSTEElement.h
@@ -6,6 +6,7 @@
 //  Copyright (c) 2003 M. Uli Kusterer. All rights reserved.
 //
 
+#import <AppKit/AppKit.h>
 #import "NuTemplateGroupElement.h"
 
 
@@ -14,4 +15,6 @@
 	
 }
 
+-(IBAction)	showCreateResourceSheet: (id)sender;
+
 @end
diff --git a/NuTemplateEditor/NuTemplateLSTEElement.m b/NuTemplateEditor/NuTemplateLSTEElement.m
index c356d7a..f81b439 100644
--- a/NuTemplateEditor/NuTemplateLSTEElement.m
+++ b/NuTemplateEditor/NuTemplateLSTEElement.m
@@ -7,6 +7,7 @@
 //
 
 #import "NuTemplateLSTEElement.h"
+#import "NuTemplateLSTBElement.h"
 
 
 @implementation NuTemplateLSTEElement
@@ -18,14 +19,14 @@
 }
 
 
--(void)	readDataFrom: (NuTemplateStream*)stream containingArray: (NSMutableArray*)containing
+-(void)	readDataFrom: (NuTemplateStream*)stream
 {
 	NSEnumerator*		enny = [subElements objectEnumerator];
 	NuTemplateElement*	el;
 	
 	while( el = [enny nextObject] )
 	{
-		[el readDataFrom: stream containingArray: subElements];
+		[el readDataFrom: stream];
 	}
 }
 
@@ -54,5 +55,17 @@
 }
 
 
+-(IBAction)	showCreateResourceSheet: (id)sender
+{
+	unsigned				idx = [containing indexOfObject:self];
+	NuTemplateGroupElement*	ge = [NuTemplateLSTBElement elementForType:@"LSTB" withLabel:[self label]];
+
+	[ge setSubElements: [subElements copy]];
+	[containing insertObject:ge atIndex:idx];
+	[ge setContaining: containing];
+}
+
+
+
 
 @end
diff --git a/NuTemplateEditor/NuTemplatePSTRElement.m b/NuTemplateEditor/NuTemplatePSTRElement.m
index b4916b9..080323d 100644
--- a/NuTemplateEditor/NuTemplatePSTRElement.m
+++ b/NuTemplateEditor/NuTemplatePSTRElement.m
@@ -37,7 +37,7 @@
 }
 
 
--(void)	readDataFrom: (NuTemplateStream*)stream containingArray: (NSMutableArray*)containing
+-(void)	readDataFrom: (NuTemplateStream*)stream
 {
 	char		buf[256] = { 0 };
 	
diff --git a/NuTemplateEditor/NuTemplateTNAMElement.m b/NuTemplateEditor/NuTemplateTNAMElement.m
index 5d2d009..352dc86 100644
--- a/NuTemplateEditor/NuTemplateTNAMElement.m
+++ b/NuTemplateEditor/NuTemplateTNAMElement.m
@@ -37,7 +37,7 @@
 }
 
 
--(void)	readDataFrom: (NuTemplateStream*)stream containingArray: (NSMutableArray*)containing
+-(void)	readDataFrom: (NuTemplateStream*)stream
 {
 	char		buf[4] = { ' ', ' ', ' ', ' ' };
 	
diff --git a/NuTemplateEditor/NuTemplateWindowController.h b/NuTemplateEditor/NuTemplateWindowController.h
index 51a2efb..063bf83 100644
--- a/NuTemplateEditor/NuTemplateWindowController.h
+++ b/NuTemplateEditor/NuTemplateWindowController.h
@@ -47,5 +47,7 @@
 -(void)	resourceDataDidChange: (NSNotification*)notification;
 -(void)	writeResData;
 
+-(IBAction)	showCreateResourceSheet: (id)sender;
+
 
 @end
diff --git a/NuTemplateEditor/NuTemplateWindowController.m b/NuTemplateEditor/NuTemplateWindowController.m
index e621c77..83495b8 100644
--- a/NuTemplateEditor/NuTemplateWindowController.m
+++ b/NuTemplateEditor/NuTemplateWindowController.m
@@ -32,6 +32,8 @@
 #import "NuTemplateDWRDElement.h"
 #import "NuTemplateStream.h"
 
+#import "NSOutlineView-SelectedItems.h"
+
 
 @implementation NuTemplateWindowController
 
@@ -149,7 +151,8 @@
 		currElement = [currElement copy];		// Copy the template object.
 		
 		[resourceStructure addObject: currElement];		// Add it to our parsed resource data list. Do this right away so the element can append other items should it desire to.
-		[currElement readDataFrom: stream containingArray: resourceStructure];		// Fill it with resource data.
+		[currElement setContaining: resourceStructure];
+		[currElement readDataFrom: stream];		// Fill it with resource data.
 	}
 	
 	[dataList reloadData];	// Make sure our outline view displays the new data.
@@ -245,6 +248,29 @@
 }
 
 
+/* showCreateResourceSheet: we mis-use this menu item for creating new template fields.
+	This works by selecting an item that serves as a template (another LSTB), or knows
+	how to create an item (LSTE) and passing the message on to it. */
+
+-(IBAction)	showCreateResourceSheet: (id)sender;
+{
+	NuTemplateElement *selItem = (NuTemplateElement*) [dataList selectedItem];
+	
+	[selItem showCreateResourceSheet: sender];	// Let selected item do its magic.
+	
+	[dataList reloadData];	// Update our display.
+}
+
+
+-(BOOL)	validateMenuItem: (NSMenuItem*)item
+{
+	NuTemplateElement *selItem = (NuTemplateElement*) [dataList selectedItem];
+	
+	if( [item action] == @selector(showCreateResourceSheet:) )
+		return( selItem != nil && [selItem respondsToSelector: @selector(showCreateResourceSheet:)] );
+	else return [super validateMenuItem:item];
+}
+
 
 -(BOOL)	windowShouldClose: (id)sender	// Window delegate.
 {