diff --git a/gui_qt/formrender.cpp b/gui_qt/formrender.cpp
index 25c2f60..ca5b325 100644
--- a/gui_qt/formrender.cpp
+++ b/gui_qt/formrender.cpp
@@ -194,9 +194,13 @@ void FormRender::saveRender()
     {
         QString filepath;
 
-        filepath = QFileDialog::getSaveFileName(this, tr("Choose a filename to save the last render"));
+        filepath = QFileDialog::getSaveFileName(this, tr("Paysages 3D - Choose a filename to save the last render"), QString(), tr("Images (*.png *.jpg)"));
         if (!filepath.isNull())
         {
+            if (!filepath.toLower().endsWith(".jpg") && !filepath.toLower().endsWith(".jpeg") && !filepath.toLower().endsWith(".png"))
+            {
+                filepath = filepath.append(".png");
+            }
             renderSaveToFile(_renderer.render_area, (char*)filepath.toStdString().c_str());
             QMessageBox::information(this, "Message", QString(tr("The picture %1 has been saved.")).arg(filepath));
         }
diff --git a/gui_qt/mainwindow.cpp b/gui_qt/mainwindow.cpp
index 60a2531..d3dca1d 100644
--- a/gui_qt/mainwindow.cpp
+++ b/gui_qt/mainwindow.cpp
@@ -137,7 +137,7 @@ void MainWindow::refreshAll()
 
 void MainWindow::fileNew()
 {
-    if (QMessageBox::question(this, tr("New lanscape"), tr("Do you want to start a new landscape ? Any unsaved changes will be lost."), QMessageBox::Yes | QMessageBox::No, QMessageBox::No) == QMessageBox::Yes)
+    if (QMessageBox::question(this, tr("Paysages 3D - New scenery"), tr("Do you want to start a new scenery ? Any unsaved changes will be lost."), QMessageBox::Yes | QMessageBox::No, QMessageBox::No) == QMessageBox::Yes)
     {
         autoGenRealisticLandscape(0);
         autoSetDaytime(8, 30);
@@ -147,18 +147,22 @@ void MainWindow::fileNew()
 
 void MainWindow::fileSave()
 {
-    QString filepath = QFileDialog::getSaveFileName(this);
+    QString filepath = QFileDialog::getSaveFileName(this, tr("Paysages 3D - Choose a file to save the scenery"), QString(), tr("Paysages 3D Scenery (*.p3d)"));
     if (!filepath.isNull())
     {
+        if (!filepath.toLower().endsWith(".p3d"))
+        {
+            filepath = filepath.append(".p3d");
+        }
         paysagesSave((char*)filepath.toStdString().c_str());
     }
 }
 
 void MainWindow::fileLoad()
 {
-    if (QMessageBox::question(this, tr("Load lanscape"), tr("Do you want to load a landscape ? Any unsaved changes will be lost."), QMessageBox::Yes | QMessageBox::No, QMessageBox::No) == QMessageBox::Yes)
+    if (QMessageBox::question(this, tr("Paysages 3D - Load scenery"), tr("Do you want to load a scenery from file ? Any unsaved changes will be lost."), QMessageBox::Yes | QMessageBox::No, QMessageBox::No) == QMessageBox::Yes)
     {
-        QString filepath = QFileDialog::getOpenFileName(this);
+        QString filepath = QFileDialog::getOpenFileName(this, tr("Paysages 3D - Choose a scenery file to load"), QString(), tr("Paysages 3D Scenery (*.p3d)"));
         if (!filepath.isNull())
         {
             paysagesLoad((char*)filepath.toStdString().c_str());
diff --git a/i18n/paysages_fr.ts b/i18n/paysages_fr.ts
index 2e90687..d07f8c1 100644
--- a/i18n/paysages_fr.ts
+++ b/i18n/paysages_fr.ts
@@ -394,11 +394,24 @@ Maintenir Ctrl : Plus rapide</translation>
     </message>
     <message>
         <location filename="../gui_qt/formrender.cpp" line="197"/>
-        <source>Choose a filename to save the last render</source>
-        <translation>Choisissez un nom de fichier pour le rendu</translation>
+        <source>Paysages 3D - Choose a filename to save the last render</source>
+        <translation>Paysages 3D - Choisissez un nom de fichier pour le rendu</translation>
     </message>
     <message>
-        <location filename="../gui_qt/formrender.cpp" line="201"/>
+        <location filename="../gui_qt/formrender.cpp" line="197"/>
+        <source>Images (*.png *.jpg)</source>
+        <translation>Images (*.png *.jpg)</translation>
+    </message>
+    <message>
+        <source>Images (*.png, *.jpg)</source>
+        <translation type="obsolete">Images (*.png *.jpg)</translation>
+    </message>
+    <message>
+        <source>Choose a filename to save the last render</source>
+        <translation type="obsolete">Choisissez un nom de fichier pour le rendu</translation>
+    </message>
+    <message>
+        <location filename="../gui_qt/formrender.cpp" line="205"/>
         <source>The picture %1 has been saved.</source>
         <translation>L&apos;image %1 a été sauvegardée.</translation>
     </message>
@@ -742,6 +755,42 @@ rapide (F5)</translation>
         <source>F5</source>
         <translation>F5</translation>
     </message>
+    <message>
+        <location filename="../gui_qt/mainwindow.cpp" line="140"/>
+        <source>Do you want to start a new scenery ? Any unsaved changes will be lost.</source>
+        <translation>Voulez-vous commencer un nouveau paysage ? Les modifications non sauvegardées seront perdues.</translation>
+    </message>
+    <message>
+        <location filename="../gui_qt/mainwindow.cpp" line="140"/>
+        <source>Paysages 3D - New scenery</source>
+        <translation>Paysages 3D - Nouvelle scène</translation>
+    </message>
+    <message>
+        <location filename="../gui_qt/mainwindow.cpp" line="150"/>
+        <source>Paysages 3D - Choose a file to save the scenery</source>
+        <translation>Paysages 3D - Choisissez un fichier pour enregistrer la scène</translation>
+    </message>
+    <message>
+        <location filename="../gui_qt/mainwindow.cpp" line="150"/>
+        <location filename="../gui_qt/mainwindow.cpp" line="165"/>
+        <source>Paysages 3D Scenery (*.p3d)</source>
+        <translation>Scène Paysages 3D</translation>
+    </message>
+    <message>
+        <location filename="../gui_qt/mainwindow.cpp" line="163"/>
+        <source>Do you want to load a scenery from file ? Any unsaved changes will be lost.</source>
+        <translation>Voulez-vous charger une scène ? Les modifications nons sauvegardées seront perdues.</translation>
+    </message>
+    <message>
+        <location filename="../gui_qt/mainwindow.cpp" line="163"/>
+        <source>Paysages 3D - Load scenery</source>
+        <translation>Paysages 3D - Charger une scène</translation>
+    </message>
+    <message>
+        <location filename="../gui_qt/mainwindow.cpp" line="165"/>
+        <source>Paysages 3D - Choose a scenery file to load</source>
+        <translation>Paysages 3D - Choisissez un fichier de scène à charger</translation>
+    </message>
     <message>
         <location filename="../gui_qt/mainwindow.cpp" line="88"/>
         <source>Sky</source>
@@ -823,32 +872,28 @@ rapide (F5)</translation>
         <translation>&amp;A propos</translation>
     </message>
     <message>
-        <location filename="../gui_qt/mainwindow.cpp" line="140"/>
         <source>New lanscape</source>
-        <translation type="unfinished"></translation>
+        <translation type="obsolete">Nouveau paysage</translation>
     </message>
     <message>
-        <location filename="../gui_qt/mainwindow.cpp" line="140"/>
         <source>Do you want to start a new landscape ? Any unsaved changes will be lost.</source>
-        <translation type="unfinished"></translation>
+        <translation type="obsolete">Voulez-vous commencer un nouveau paysage ? Les modifications non sauvegardées seront perdues.</translation>
     </message>
     <message>
-        <location filename="../gui_qt/mainwindow.cpp" line="159"/>
         <source>Load lanscape</source>
-        <translation type="unfinished"></translation>
+        <translation type="obsolete">Charger un paysage</translation>
     </message>
     <message>
-        <location filename="../gui_qt/mainwindow.cpp" line="159"/>
         <source>Do you want to load a landscape ? Any unsaved changes will be lost.</source>
-        <translation type="unfinished"></translation>
+        <translation type="obsolete">Voulez-vous charger un paysage ? Les modifications nons sauvegardées seront perdues.</translation>
     </message>
     <message>
-        <location filename="../gui_qt/mainwindow.cpp" line="172"/>
+        <location filename="../gui_qt/mainwindow.cpp" line="176"/>
         <source>Paysages 3D</source>
         <translation>Paysages 3D</translation>
     </message>
     <message>
-        <location filename="../gui_qt/mainwindow.cpp" line="172"/>
+        <location filename="../gui_qt/mainwindow.cpp" line="176"/>
         <source>A 3D landscape editing and rendering software.
 
 Credits :