diff --git a/rtdata/languages/default b/rtdata/languages/default
index 9b23d2e3b..48acb81f9 100644
--- a/rtdata/languages/default
+++ b/rtdata/languages/default
@@ -171,7 +171,7 @@ FILEBROWSER_SHOWEDITEDHINT;Show edited images.\nShortcut: <b>7</b>
 FILEBROWSER_SHOWEDITEDNOTHINT;Show not edited images.\nShortcut: <b>6</b>
 FILEBROWSER_SHOWEXIFINFO;Show Exif info.\n\nShortcuts:\n<b>i</b> - Multiple Editor Tabs Mode,\n<b>Alt-i</b> - Single Editor Tab Mode.
 FILEBROWSER_SHOWNOTTRASHHINT;Show only non-deleted images.
-FILEBROWSER_SHOWORIGINALHINT;Show only the original images.
+FILEBROWSER_SHOWORIGINALHINT;Show only the original images.\n\nThe orignal images are determined by the position of their file extensions in the parsed extensions list in the preferences. Extensions higher up in that list are considered the originals of those below.
 FILEBROWSER_SHOWRANK1HINT;Show images ranked as 1-star.\nShortcut: <b>1</b>
 FILEBROWSER_SHOWRANK2HINT;Show images ranked as 2-star.\nShortcut: <b>2</b>
 FILEBROWSER_SHOWRANK3HINT;Show images ranked as 3-star.\nShortcut: <b>3</b>
diff --git a/rtgui/filecatalog.cc b/rtgui/filecatalog.cc
index 92ce120c2..3ea7e6db2 100644
--- a/rtgui/filecatalog.cc
+++ b/rtgui/filecatalog.cc
@@ -286,6 +286,7 @@ FileCatalog::FileCatalog (CoarsePanel* cp, ToolBar* tb, FilePanel* filepanel) :
     bTrash->signal_button_press_event().connect (sigc::mem_fun(*this, &FileCatalog::capture_event), false);
 
     iNotTrash = new RTImage("trash-hide-deleted.png") ;
+    iOriginal = new RTImage("filter-original-2.png");
 
     bNotTrash = Gtk::manage( new Gtk::ToggleButton () );
     bNotTrash->set_image (*iNotTrash);
@@ -295,7 +296,7 @@ FileCatalog::FileCatalog (CoarsePanel* cp, ToolBar* tb, FilePanel* filepanel) :
     bNotTrash->signal_button_press_event().connect (sigc::mem_fun(*this, &FileCatalog::capture_event), false);
 
     bOriginal = Gtk::manage( new Gtk::ToggleButton () );
-    bOriginal->set_label ("O"); // TODO: Add icon...
+    bOriginal->set_image (*iOriginal);
     bOriginal->set_tooltip_markup (M("FILEBROWSER_SHOWORIGINALHINT"));
     bOriginal->set_relief (Gtk::RELIEF_NONE);
     bCateg[19] = bOriginal->signal_toggled().connect (sigc::bind(sigc::mem_fun(*this, &FileCatalog::categoryButtonToggled), bOriginal, true));
@@ -450,6 +451,8 @@ FileCatalog::~FileCatalog()
     delete igUnCLabeled;
     delete iTrashEmpty;
     delete iTrashFull;
+    delete iNotTrash;
+    delete iOriginal;
     delete iRefreshWhite;
     delete iRefreshRed;
     delete iQueryClear;
diff --git a/rtgui/filecatalog.h b/rtgui/filecatalog.h
index eda0ff81a..b30ebb553 100644
--- a/rtgui/filecatalog.h
+++ b/rtgui/filecatalog.h
@@ -118,7 +118,7 @@ private:
     Gtk::Image* iEdited[2], *igEdited[2];
     Gtk::Image* iRecentlySaved[2], *igRecentlySaved[2];
     Gtk::Image *iTrashEmpty, *iTrashFull;
-    Gtk::Image *iNotTrash;
+    Gtk::Image *iNotTrash, *iOriginal;
     Gtk::Image *iRefreshWhite, *iRefreshRed;
     Gtk::Image *iLeftPanel_1_Show, *iLeftPanel_1_Hide, *iRightPanel_1_Show, *iRightPanel_1_Hide;
     Gtk::Image *iQueryClear;
diff --git a/rtgui/preferences.cc b/rtgui/preferences.cc
index 739f833b1..dca0eff17 100644
--- a/rtgui/preferences.cc
+++ b/rtgui/preferences.cc
@@ -1196,10 +1196,12 @@ Gtk::Widget* Preferences::getFileBrowserPanel ()
     moveExtDown->set_tooltip_text (M("PREFERENCES_PARSEDEXTDOWNHINT"));
     Gtk::Image* addExtImg = Gtk::manage( new RTImage ("list-add-small.png") );
     Gtk::Image* delExtImg = Gtk::manage( new RTImage ("list-remove-red-small.png") );
+    Gtk::Image* moveExtUpImg = Gtk::manage( new RTImage ("arrow-up-small.png") );
+    Gtk::Image* moveExtDownImg = Gtk::manage( new RTImage ("arrow-down-small.png") );
     addExt->add (*addExtImg);
     delExt->add (*delExtImg);
-    moveExtUp->set_label ("↑"); // TODO: Add arrow up image...
-    moveExtDown->set_label ("↓"); // TODO: Add arrow down image...
+    moveExtUp->set_image (*moveExtUpImg);
+    moveExtDown->set_image (*moveExtDownImg);
     hb0->pack_end (*moveExtDown, Gtk::PACK_SHRINK, 4);
     hb0->pack_end (*moveExtUp, Gtk::PACK_SHRINK, 4);
     hb0->pack_end (*delExt, Gtk::PACK_SHRINK, 4);