diff --git a/src/board/UBBoardView.cpp b/src/board/UBBoardView.cpp
index e1d49a40..1e493cc2 100644
--- a/src/board/UBBoardView.cpp
+++ b/src/board/UBBoardView.cpp
@@ -35,8 +35,8 @@
 #include "gui/UBToolWidget.h"
 #include "gui/UBResources.h"
 #include "gui/UBMainWindow.h"
-#include "gui/UBMediaPlayer.h"
 #include "gui/UBThumbnailWidget.h"
+#include "gui/UBTeacherGuideWidgetsTools.h"
 
 #include "board/UBBoardController.h"
 
@@ -764,11 +764,6 @@ UBBoardView::drawItems (QPainter *painter, int numItems,
     }
 }
 
-//void UBBoardView::dragEnterEvent (QDragEnterEvent *event)
-//{
-//    // TODO UB 4.x be smarter with drag accept code .... we cannot handle everything ...
-//    event->acceptProposedAction ();
-//}
 
 void UBBoardView::dragMoveEvent (QDragMoveEvent *event)
 {
@@ -805,14 +800,17 @@ void UBBoardView::dropEvent (QDropEvent *event)
     QGraphicsItem* graphicsItemAtPos = itemAt(event->pos().x(),event->pos().y());
     UBGraphicsWidgetItem* graphicsWidget = dynamic_cast<UBGraphicsWidgetItem*>(graphicsItemAtPos);
 
-    if (graphicsWidget && graphicsWidget->acceptDrops()) {
+    qDebug() << event->source();
 
+    if (graphicsWidget && graphicsWidget->acceptDrops()) {
         graphicsWidget->processDropEvent(event);
         event->acceptProposedAction();
 
-    } else if (!event->source() || dynamic_cast<UBThumbnailWidget *>(event->source())
-               || dynamic_cast<QWebView*>(event->source())) {
-
+    }
+    else if (!event->source()
+             || dynamic_cast<UBThumbnailWidget *>(event->source())
+             || dynamic_cast<QWebView*>(event->source())
+             || dynamic_cast<UBTGMediaWidget*>(event->source())) {
         mController->processMimeData (event->mimeData (), mapToScene (event->pos ()));
         event->acceptProposedAction();
     }
diff --git a/src/gui/UBTeacherGuideWidget.cpp b/src/gui/UBTeacherGuideWidget.cpp
index 1af075da..940297fe 100644
--- a/src/gui/UBTeacherGuideWidget.cpp
+++ b/src/gui/UBTeacherGuideWidget.cpp
@@ -84,6 +84,11 @@ UBTeacherGuideEditionWidget::UBTeacherGuideEditionWidget(QWidget *parent, const
     mpTreeWidget->setDropIndicatorShown(false);
     mpTreeWidget->header()->close();
     mpTreeWidget->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+    mpTreeWidget->setColumnCount(2);
+    mpTreeWidget->header()->setStretchLastSection(false);
+    mpTreeWidget->header()->setResizeMode(0, QHeaderView::Stretch);
+    mpTreeWidget->header()->setResizeMode(1, QHeaderView::Custom);
+
     connect(mpTreeWidget,SIGNAL(itemClicked(QTreeWidgetItem*,int)),this,SLOT(onAddItemClicked(QTreeWidgetItem*,int)));
 
     mpAddAnActionItem = new UBAddItem(tr("Add an action"),eUBTGAddSubItemWidgetType_Action,mpTreeWidget);
@@ -97,7 +102,6 @@ UBTeacherGuideEditionWidget::UBTeacherGuideEditionWidget(QWidget *parent, const
 
 UBTeacherGuideEditionWidget::~UBTeacherGuideEditionWidget()
 {
-
     DELETEPTR(mpDocumentTitle);
     DELETEPTR(mpPageTitle);
     DELETEPTR(mpComment);
@@ -165,6 +169,8 @@ void UBTeacherGuideEditionWidget::onAddItemClicked(QTreeWidgetItem* widget, int
     if(column == 0 && addSubItemWidgetType != eUBTGAddSubItemWidgetType_None){
         QTreeWidgetItem* newWidgetItem = new QTreeWidgetItem(widget);
         newWidgetItem->setData(column,Qt::UserRole,eUBTGAddSubItemWidgetType_None);
+        newWidgetItem->setData(1,Qt::UserRole,eUBTGAddSubItemWidgetType_None);
+        newWidgetItem->setIcon(1,QIcon(":images/close.svg"));
         switch(addSubItemWidgetType)
         {
         case eUBTGAddSubItemWidgetType_Action:
@@ -177,7 +183,9 @@ void UBTeacherGuideEditionWidget::onAddItemClicked(QTreeWidgetItem* widget, int
             mpTreeWidget->setItemWidget(newWidgetItem,0,new UBTGUrlWidget());
             break;
         default:
-            qDebug() << "onAddItemClicked no action set";
+            delete newWidgetItem;
+            qCritical() << "onAddItemClicked no action set";
+            return;
         }
 
         if(addSubItemWidgetType != eUBTGAddSubItemWidgetType_None && !widget->isExpanded() )
@@ -188,6 +196,11 @@ void UBTeacherGuideEditionWidget::onAddItemClicked(QTreeWidgetItem* widget, int
             widget->setExpanded(true);
         }
     }
+    else if(column == 1 && addSubItemWidgetType == eUBTGAddSubItemWidgetType_None){
+        int index = mpTreeWidget->currentIndex().row();
+        QTreeWidgetItem* toBeDeletedWidgetItem = widget->parent()->takeChild(index);
+        delete toBeDeletedWidgetItem;
+    }
 }
 
 /***************************************************************************
@@ -252,6 +265,7 @@ UBTeacherGuidePresentationWidget::UBTeacherGuidePresentationWidget(QWidget *pare
     mpTreeWidget->setDropIndicatorShown(false);
     mpTreeWidget->header()->close();
     mpTreeWidget->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+//    mpTreeWidget->setColumnCount(1);
     connect(mpTreeWidget,SIGNAL(itemClicked(QTreeWidgetItem*,int)),this,SLOT(onAddItemClicked(QTreeWidgetItem*,int)));
 
 }
diff --git a/src/gui/UBTeacherGuideWidgetsTools.cpp b/src/gui/UBTeacherGuideWidgetsTools.cpp
index 8c4aec55..2134f8f6 100644
--- a/src/gui/UBTeacherGuideWidgetsTools.cpp
+++ b/src/gui/UBTeacherGuideWidgetsTools.cpp
@@ -39,6 +39,7 @@ UBAddItem::UBAddItem(const QString &string, int addSubItemWidgetType, QTreeWidge
     setIcon(0,QIcon(":images/increase.svg"));
     setText(0,string);
     setData(0,Qt::UserRole,QVariant(addSubItemWidgetType));
+    setData(1,Qt::UserRole,QVariant(addSubItemWidgetType));
 }
 
 UBAddItem::~UBAddItem()
@@ -305,7 +306,7 @@ void UBTGMediaWidget::mousePressEvent(QMouseEvent *event)
         QDrag *drag = new QDrag(this);
         QMimeData *mimeData = new QMimeData;
         QList<QUrl> urlList;
-        urlList << QUrl::fromLocalFile(mRelativePath);
+        urlList << QUrl(mRelativePath);
         mimeData->setUrls(urlList);
         drag->setMimeData(mimeData);