diff --git a/CnCTDRAMapEditor/App.config b/CnCTDRAMapEditor/App.config
index 1d630ac..4d80115 100644
--- a/CnCTDRAMapEditor/App.config
+++ b/CnCTDRAMapEditor/App.config
@@ -29,6 +29,12 @@
             <setting name="GameDirectoryPath" serializeAs="String">
                 <value />
             </setting>
+            <setting name="MaxMapTileTextureSize" serializeAs="String">
+                <value>0</value>
+            </setting>
+            <setting name="TemplateToolTextureSizeMultiplier" serializeAs="String">
+                <value>0.5</value>
+            </setting>
         </MobiusEditor.Properties.Settings>
     </userSettings>
     <runtime>
diff --git a/CnCTDRAMapEditor/CnCTDRAMapEditor.csproj b/CnCTDRAMapEditor/CnCTDRAMapEditor.csproj
index 0dc33b7..b5952a3 100644
--- a/CnCTDRAMapEditor/CnCTDRAMapEditor.csproj
+++ b/CnCTDRAMapEditor/CnCTDRAMapEditor.csproj
@@ -26,7 +26,7 @@
     <DebugType>full</DebugType>
     <Optimize>false</Optimize>
     <OutputPath>bin\Debug\</OutputPath>
-    <DefineConstants>TRACE;DEBUG;STEAMWORKS_WIN;STEAMWORKS_X64;DEVELOPER</DefineConstants>
+    <DefineConstants>TRACE;DEBUG;STEAMWORKS_WIN;STEAMWORKS_X64</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
     <LangVersion>7.3</LangVersion>
@@ -37,7 +37,7 @@
     <DebugType>pdbonly</DebugType>
     <Optimize>true</Optimize>
     <OutputPath>bin\Release\</OutputPath>
-    <DefineConstants>TRACE;STEAMWORKS_WIN;STEAMWORKS_X64;DEVELOPER</DefineConstants>
+    <DefineConstants>TRACE;STEAMWORKS_WIN;STEAMWORKS_X64</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
     <LangVersion>7.3</LangVersion>
diff --git a/CnCTDRAMapEditor/Properties/Settings.Designer.cs b/CnCTDRAMapEditor/Properties/Settings.Designer.cs
index 4bbaaff..32f8069 100644
--- a/CnCTDRAMapEditor/Properties/Settings.Designer.cs
+++ b/CnCTDRAMapEditor/Properties/Settings.Designer.cs
@@ -67,5 +67,29 @@ namespace MobiusEditor.Properties {
                 this["GameDirectoryPath"] = value;
             }
         }
+        
+        [global::System.Configuration.UserScopedSettingAttribute()]
+        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+        [global::System.Configuration.DefaultSettingValueAttribute("0")]
+        public int MaxMapTileTextureSize {
+            get {
+                return ((int)(this["MaxMapTileTextureSize"]));
+            }
+            set {
+                this["MaxMapTileTextureSize"] = value;
+            }
+        }
+        
+        [global::System.Configuration.UserScopedSettingAttribute()]
+        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+        [global::System.Configuration.DefaultSettingValueAttribute("0.5")]
+        public double TemplateToolTextureSizeMultiplier {
+            get {
+                return ((double)(this["TemplateToolTextureSizeMultiplier"]));
+            }
+            set {
+                this["TemplateToolTextureSizeMultiplier"] = value;
+            }
+        }
     }
 }
diff --git a/CnCTDRAMapEditor/Properties/Settings.settings b/CnCTDRAMapEditor/Properties/Settings.settings
index 9b66e8a..84e785a 100644
--- a/CnCTDRAMapEditor/Properties/Settings.settings
+++ b/CnCTDRAMapEditor/Properties/Settings.settings
@@ -14,5 +14,11 @@
     <Setting Name="GameDirectoryPath" Type="System.String" Scope="User">
       <Value Profile="(Default)" />
     </Setting>
+    <Setting Name="MaxMapTileTextureSize" Type="System.Int32" Scope="User">
+      <Value Profile="(Default)">0</Value>
+    </Setting>
+    <Setting Name="TemplateToolTextureSizeMultiplier" Type="System.Double" Scope="User">
+      <Value Profile="(Default)">0.5</Value>
+    </Setting>
   </Settings>
 </SettingsFile>
\ No newline at end of file
diff --git a/CnCTDRAMapEditor/Tools/TemplateTool.cs b/CnCTDRAMapEditor/Tools/TemplateTool.cs
index 8d529ff..262ce26 100644
--- a/CnCTDRAMapEditor/Tools/TemplateTool.cs
+++ b/CnCTDRAMapEditor/Tools/TemplateTool.cs
@@ -30,6 +30,9 @@ namespace MobiusEditor.Tools
 {
     public class TemplateTool : ViewTool
     {
+        private const int DesignResWidth = 3840;
+        private const int DesignTextureWidth = 256;
+
         private static readonly Regex CategoryRegex = new Regex(@"^([a-z]*)", RegexOptions.Compiled);
 
         private readonly ListView templateTypeListView;
@@ -153,8 +156,16 @@ namespace MobiusEditor.Tools
                 .GroupBy(t => templateCategory(t)).OrderBy(g => g.Key);
             var templateTypeImages = templateTypes.SelectMany(g => g).Select(t => t.Thumbnail);
 
-            var maxWidth = templateTypeImages.Max(t => t.Width);
-            var maxHeight = templateTypeImages.Max(t => t.Height);
+            Screen screen = Screen.FromHandle(mapPanel.Handle) ?? Screen.PrimaryScreen;
+            int maxSize = Properties.Settings.Default.MaxMapTileTextureSize;
+            if (maxSize == 0)
+            {
+                double ratio = DesignResWidth / (double)screen.Bounds.Width;
+                maxSize = (int)((DesignTextureWidth / ratio) * Properties.Settings.Default.TemplateToolTextureSizeMultiplier);
+            }
+
+            var maxWidth = Math.Min(templateTypeImages.Max(t => t.Width), maxSize);
+            var maxHeight = Math.Min(templateTypeImages.Max(t => t.Height), maxSize);
 
             var imageList = new ImageList();
             imageList.Images.AddRange(templateTypeImages.ToArray());