diff --git a/PanoPainter.vcxproj.filters b/PanoPainter.vcxproj.filters
index ffe4c4e..f284f7f 100644
--- a/PanoPainter.vcxproj.filters
+++ b/PanoPainter.vcxproj.filters
@@ -366,11 +366,11 @@
     <ClCompile Include="libs\glad\src\glad_wgl.c">
       <Filter>libs\glad</Filter>
     </ClCompile>
-    <ClCompile Include="src\node_input_box.cpp">
-      <Filter>Source Files</Filter>
-    </ClCompile>
     <ClCompile Include="src\node_dialog_export_ppbr.cpp">
-      <Filter>Source Files</Filter>
+      <Filter>Source Files\ui</Filter>
+    </ClCompile>
+    <ClCompile Include="src\node_input_box.cpp">
+      <Filter>Source Files\ui</Filter>
     </ClCompile>
   </ItemGroup>
   <ItemGroup>
@@ -614,11 +614,11 @@
     <ClInclude Include="src\node_tool_bucket.h">
       <Filter>Header Files\ui</Filter>
     </ClInclude>
-    <ClInclude Include="src\node_input_box.h">
-      <Filter>Header Files</Filter>
-    </ClInclude>
     <ClInclude Include="src\node_dialog_export_ppbr.h">
-      <Filter>Header Files</Filter>
+      <Filter>Header Files\ui</Filter>
+    </ClInclude>
+    <ClInclude Include="src\node_input_box.h">
+      <Filter>Header Files\ui</Filter>
     </ClInclude>
   </ItemGroup>
   <ItemGroup>
diff --git a/data/layout.xml b/data/layout.xml
index a827bdf..1a84cd5 100644
--- a/data/layout.xml
+++ b/data/layout.xml
@@ -48,10 +48,13 @@
         <border width="100%" color="0 0 0 .9" pad="10" dir="row" grow="1">
           <border id="files-list" dir="row" wrap="1" flood-events="1" grow="1" height="100%" margin="0 0 0 0" pad="10" color=".2 .2 .2 1">
             <node dir="col" margin="0 20 0 0">
-              <image width="200" height="100"/>
-              <node dir="row" width="200" height="30" justify="center" margin="10 0 0 0">
-                <button text="Generate" grow="1" height="100%"/>
-                <button text="Open..." grow="1" height="100%"/>
+              <image-texture id="header-tex" width="256" height="128" pad="10">
+                <text text="Header image.\nSelect a 256x128 pixels image that will be displayed as a preview for this brushes collection." text-wrap-width="230" color=".5"/>
+              </image-texture>
+              <node dir="row" width="256" height="30" justify="center" margin="10 0 0 0">
+                <button id="header-gen" text="Generate" grow="1" height="100%"/>
+                <button id="header-open" text="Open" grow="1" height="100%"/>
+                <button id="header-clear" text="Clear" grow="1" height="100%"/>
               </node>
             </node>
             <node grow="1">
diff --git a/src/node_dialog_export_ppbr.cpp b/src/node_dialog_export_ppbr.cpp
index ca5a484..c97d94c 100644
--- a/src/node_dialog_export_ppbr.cpp
+++ b/src/node_dialog_export_ppbr.cpp
@@ -1,6 +1,8 @@
 #include "pch.h"
 #include "log.h"
 #include "node_dialog_export_ppbr.h"
+#include "app.h"
+#include "image.h"
 
 Node* NodeDialogExportPPBR::clone_instantiate() const
 {
@@ -26,10 +28,42 @@ void NodeDialogExportPPBR::init()
 void NodeDialogExportPPBR::init_controls()
 {
     btn_ok = find<NodeButton>("btn-ok");
+    btn_ok->on_click = [this] (Node*) {
+        start_exporting();
+    };
     btn_cancel = find<NodeButton>("btn-cancel");
     btn_cancel->on_click = [this](Node*) {
         destroy();
     };
+    btn_header_open = find<NodeButton>("header-open");
+    btn_header_open->on_click = [this] (Node*) {
+        open_header();
+    };
+    btn_header_clear = find<NodeButton>("header-clear");
+    btn_header_clear->on_click = [this] (Node*) {
+        m_header_image.destroy();
+        img_header->tex.destroy();
+    };
+    btn_header_gen = find<NodeButton>("header-gen");
+    btn_header_gen->on_click = [this] (Node*) {
+        App::I->message_box("WIP", "This feature is not yet implemented.");
+    };
+    img_header = find<NodeImageTexture>("header-tex");
+
+}
+
+void NodeDialogExportPPBR::open_header()
+{
+    App::I->pick_image([this](std::string path) {
+        m_header_image.load(path);
+        m_header_image.resize(256, 128);
+        img_header->tex.create(m_header_image);
+    });
+}
+
+void NodeDialogExportPPBR::start_exporting()
+{
+    
 }
 
 void NodeDialogExportPPBR::added(Node* parent)
diff --git a/src/node_dialog_export_ppbr.h b/src/node_dialog_export_ppbr.h
index 1566440..51282c6 100644
--- a/src/node_dialog_export_ppbr.h
+++ b/src/node_dialog_export_ppbr.h
@@ -3,15 +3,23 @@
 #include "node_button.h"
 #include "node_combobox.h"
 #include "node_text.h"
+#include "node_image_texture.h"
 
 class NodeDialogExportPPBR : public NodeBorder
 {
 public:
     NodeButton* btn_cancel;
     NodeButton* btn_ok;
+    NodeButton* btn_header_open;
+    NodeButton* btn_header_clear;
+    NodeButton* btn_header_gen;
+    NodeImageTexture* img_header;
+    Image m_header_image;
     virtual Node* clone_instantiate() const override;
     virtual void clone_finalize(Node* dest) const override;
     virtual void init() override;
     virtual void added(Node* parent) override;
     void init_controls();
+    void open_header();
+    void start_exporting();
 };