--- a/OpenCacheManager/ocm-gtk/ocm-gtk.csproj
+++ b/OpenCacheManager/ocm-gtk/ocm-gtk.csproj
@@ -1459,6 +1459,33 @@
     <Resource Include="icons\24x24\write_note.png">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </Resource>
+    <Resource Include="icons\splash\christmas\AXmas.png">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </Resource>
+    <Resource Include="icons\splash\christmas\BXmas.png">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </Resource>
+    <Resource Include="icons\splash\christmas\CXmas.png">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </Resource>
+    <Resource Include="icons\splash\christmas\DXmas.png">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </Resource>
+    <Resource Include="icons\splash\christmas\EXmas.png">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </Resource>
+    <Resource Include="icons\splash\christmas\FXmas.png">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </Resource>
+    <Resource Include="icons\splash\christmas\GXmas.png">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </Resource>
+    <Resource Include="icons\splash\christmas\HXmas.png">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </Resource>
+    <Resource Include="icons\splash\christmas\IXmas.png">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </Resource>
   </ItemGroup>
   <ItemGroup>
     <None Include="x-gpx.xml">
@@ -1480,8 +1507,12 @@
     <None Include="icons\scalable\attributes\dis_Long_Hike_%28+10km%29.svg">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </None>
-    <None Include="icons\24x24\locationless.png" />
-    <None Include="icons\24x24\waypoint-flag-red.png" />
+    <None Include="icons\24x24\locationless.png">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+    <None Include="icons\24x24\waypoint-flag-red.png">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
     <None Include="maps\mappack-central-europe.xml" />
     <None Include="icons\24x24\new-bluepin.png">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>