diff --git a/ui (gen4)/features/external-editor.js b/ui (gen4)/features/external-editor.js
index aa9e8200..f40829cc 100755
--- a/ui (gen4)/features/external-editor.js	
+++ b/ui (gen4)/features/external-editor.js	
@@ -11,6 +11,8 @@ define(function(require){ var module = {}
 var actions = require('lib/actions')
 var core = require('features/core')
 
+var widgets = require('features/ui-widgets')
+
 // widgets...
 var browse = require('lib/widget/browse')
 var overlay = require('lib/widget/overlay')
@@ -44,6 +46,12 @@ var ExternalEditorActions = actions.Actions({
 			// 		as argument unless it uses only '\' and not '/'
 			['IrfanView|"C:/Program Files (x86)/IrfanView/i_view32.exe" "$PATH"'],
 		],
+
+		'external-editor-targets': [
+			'Original image',
+			'Best preview',
+			// XXX
+		],
 	},
 
 	// XXX this still needs image type and better support for OS paths 
@@ -109,6 +117,106 @@ module.ExternalEditor = core.ImageGridFeatures.Feature({
 //---------------------------------------------------------------------
 
 var ExternalEditorUIActions = actions.Actions({
+	// XXX get editor data...
+	// XXX set editor data...
+	// XXX revise editor format...
+	// XXX empty title -- use app name without ext...
+	externalEditorDialog: ['- Edit/',
+		function(editor){
+			var that = this
+
+			// XXX STUB: get the real editor...
+			var editor = {
+				// NOTE: empty means use app name...
+				title: '',
+				// NOTE: empty means system to select editor...
+				path: '/',
+				// NOTE: empty is the same as '$TARGET'...
+				// XXX use $TARGET...
+				arguments: '',
+				target: 'Original image',
+			}
+
+			var o = overlay.Overlay(this.ribbons.viewer, 
+				browse.makeLister(null, function(_, make){
+					make(['Title: ', function(){ return editor.title || '' }])
+						.on('open', function(){
+							event.preventDefault()
+							widgets.makeEditableItem(o.client, 
+								$(this).find('.text').last(), 
+								function(_, text){ editor.title = text }) })
+
+					make(['Path: ', function(){ return editor.path }], { 
+							buttons: [
+								['browse', function(p){
+									var e = this.filter('"'+p+'"', false)
+									var path = e.find('.text').last().text()
+									var txt = e.find('.text').first().text()
+
+									var b = overlay.Overlay(that.ribbons.viewer, 
+										browseWalk.makeWalk(null, path, 
+												// XXX
+												'*+(exe|cmd|ps1|sh)',
+												{})
+											// path selected...
+											.open(function(evt, path){ 
+												editor.path = path
+
+												b.close()
+
+												o.client.update()
+													.then(function(){ o.client.select(txt+path) })
+											}))
+											.close(function(){
+												// XXX
+												that.getOverlay().focus()
+											})
+								}]
+							]
+						})
+						.on('open', function(){
+							event.preventDefault()
+							widgets.makeEditableItem(o.client, 
+								$(this).find('.text').last(), 
+								function(_, text){ editor.path = text }) })
+
+					make(['Arguments: ', function(){ return editor.arguments || '' }])
+						.on('open', function(){
+							event.preventDefault()
+							widgets.makeEditableItem(o.client,
+								$(this).find('.text').last(), 
+								function(_, text){ editor.arguments = text }) })
+
+					make(['Target: ', function(){ return editor.target || 'Original image' }])
+						.on('open', 
+							widgets.makeNestedConfigListEditor(that, o,
+								'external-editor-targets',
+								function(val){ 
+									if(val == null){
+										return editor.target
+									} else {
+										editor.target = val
+									}
+								},
+								{
+									new_button: false,
+									itemButtons: [],
+								}))
+
+					make(['Save'])
+						.on('open', function(){
+							// XXX save stuff...
+							// XXX
+
+							o.close()
+						})
+				}))
+
+			o.client.dom.addClass('metadata-view tail-action')
+
+			return o
+		}],
+	// XXX use .externalEditorDialog(..)
 	listExtenalEditors: ['Edit/List external editors',
 		function(){
 			var that = this
diff --git a/ui (gen4)/features/filesystem.js b/ui (gen4)/features/filesystem.js
index 44060560..72d6e1e8 100755
--- a/ui (gen4)/features/filesystem.js	
+++ b/ui (gen4)/features/filesystem.js	
@@ -860,7 +860,7 @@ var FileSystemWriterActions = actions.Actions({
 				// XXX copy img.path -- the main image, especially when no previews present....
 				// XXX
 
-				Object.keys(previews).forEach(function(res){
+				previews && Object.keys(previews).forEach(function(res){
 					var preview_path = decodeURI(previews[res]) 
 
 					var from = (img_base || base_dir) +'/'+ preview_path
diff --git a/ui (gen4)/features/metadata.js b/ui (gen4)/features/metadata.js
index f6b14ffd..fba4d6d9 100755
--- a/ui (gen4)/features/metadata.js	
+++ b/ui (gen4)/features/metadata.js	
@@ -507,6 +507,8 @@ module.MetadataUI = core.ImageGridFeatures.Feature({
 
 
 
+// Load etdata on demand...
+//
 var MetadataFSUI = 
 module.MetadataFSUI = core.ImageGridFeatures.Feature({
 	title: '',
diff --git a/ui (gen4)/features/ui-widgets.js b/ui (gen4)/features/ui-widgets.js
index caa55697..523cd4b0 100755
--- a/ui (gen4)/features/ui-widgets.js	
+++ b/ui (gen4)/features/ui-widgets.js	
@@ -31,6 +31,27 @@ var browseWalk = require('lib/widget/browse-walk')
 
 /*********************************************************************/
 
+// XXX make the selector more accurate...
+// 		...at this point this will select the first elem with text which
+// 		can be a different elem...
+var makeEditableItem =
+module.makeEditableItem =
+function(list, elem, callback, options){
+	return elem
+		.makeEditable({
+			clear_on_edit: false,
+		})
+		.on('edit-done', callback || function(){})
+		.on('edit-aborted edit-done', function(_, text){
+			list.update()
+				// XXX make the selector more accurate...
+				// 		...at this point this will select the first elem
+				// 		with text which can be a different elem...
+				.then(function(){ list.select(text) })
+		})
+}
+
+
 //
 // Options format:
 // 	{
@@ -224,7 +245,11 @@ function(actions, parent, list_key, value_key, options){
 			// NOTE: this is called when adding a new value and 
 			// 		list maximum length is reached...
 			callback: function(value){
-				actions.config[value_key] = value
+				if(typeof(value_key) == typeof(function(){})){
+					value_key(value)
+				} else {
+					actions.config[value_key] = value
+				}
 
 				o.close()
 			},
@@ -244,7 +269,12 @@ function(actions, parent, list_key, value_key, options){
 			parent.focus()
 		})
 
-		o.client.select(actions.config[value_key])
+		if(typeof(value_key) == typeof(function(){})){
+			o.client.select(value_key())
+
+		} else {
+			o.client.select(actions.config[value_key])
+		}
 	}
 }