diff --git a/Drawing/Brushes/CloudyBrush.cs b/Drawing/Brushes/CloudyBrush.cs
index 515be3a35..42850f2a9 100644
--- a/Drawing/Brushes/CloudyBrush.cs
+++ b/Drawing/Brushes/CloudyBrush.cs
@@ -23,7 +23,7 @@ using MCGalaxy.Generator;
 
 namespace MCGalaxy.Drawing.Brushes {
     
-    public sealed class CloudyBrush : FrequencyBrush {
+    public sealed class CloudyBrush : Brush {
         readonly ExtBlock[] blocks;
         readonly int[] counts;
         readonly float[] thresholds;
@@ -68,17 +68,16 @@ namespace MCGalaxy.Drawing.Brushes {
             n.Lacunarity = 2;
             
             int[] count;
-            ExtBlock[] toAffect = GetBlocks(args, out count,
+            ExtBlock[] toAffect = FrequencyBrush.GetBlocks(args, out count,
                                             Filter, arg => Handler(arg, args.Player, ref n));
             
             if (toAffect == null) return null;
             return new CloudyBrush(toAffect, count, n);
         }
         
-        // We want to handle non block options.
+        // Only want to handle non block options.
         static bool Filter(string arg) {
-            if (arg.Length < 2) return true;
-            return arg[1] != '_';
+            return arg.Length < 2 || arg[1] != '_';
         }
         
         static bool Handler(string arg, Player p, ref NoiseArgs args) {
diff --git a/Drawing/Brushes/FrequencyBrush.cs b/Drawing/Brushes/FrequencyBrush.cs
index d0690418b..8b4033e6d 100644
--- a/Drawing/Brushes/FrequencyBrush.cs
+++ b/Drawing/Brushes/FrequencyBrush.cs
@@ -16,24 +16,24 @@
     permissions and limitations under the Licenses.
  */
 using System;
-using System.Collections.Generic;
 using MCGalaxy.Commands.Building;
-using MCGalaxy.Drawing.Ops;
 
 namespace MCGalaxy.Drawing.Brushes {
     
-    public abstract class FrequencyBrush : Brush {
+    /// <summary> Contains helper methods for brushes that have blocks with 
+    /// optional frequency counts (e.g. random and cloudy brushes) </summary>
+    public static class FrequencyBrush {
         
-        protected static ExtBlock[] GetBlocks(BrushArgs args, out int[] count, 
-		                                      Predicate<string> filter, Predicate<string> handler) {
-			string[] parts = args.Message.Split(' ');
-			Player p = args.Player;
+        public static ExtBlock[] GetBlocks(BrushArgs args, out int[] count,
+                                           Predicate<string> filter, Predicate<string> handler) {
+            string[] parts = args.Message.Split(' ');
+            Player p = args.Player;
             ExtBlock[] blocks;
             GetRaw(parts, filter, args, out blocks, out count);
             
             for (int i = 0, j = 0; i < parts.Length; i++ ) {
-            	if (parts[i] == "") continue;
-            	
+                if (parts[i] == "") continue;
+                
                 // Brush specific args
                 if (!filter(parts[i])) {
                     if (!handler(parts[i])) return null;
@@ -48,6 +48,7 @@ namespace MCGalaxy.Drawing.Brushes {
                 
                 blocks[j].Type = type; blocks[j].ExtType = extType;
                 if (sepIndex < 0) { j++; continue; }
+                
                 int chance;
                 if (!int.TryParse(parts[i].Substring(sepIndex + 1), out chance)
                     || chance <= 0 || chance > 10000) {
@@ -80,10 +81,9 @@ namespace MCGalaxy.Drawing.Brushes {
                 blocks[0] = new ExtBlock(args.Type, args.ExtType);
         }
         
-        protected static ExtBlock[] Combine(ExtBlock[] toAffect, int[] count) {
+        public static ExtBlock[] Combine(ExtBlock[] toAffect, int[] count) {
             int sum = 0;
             for (int i = 0; i < count.Length; i++) sum += count[i];
-            if (toAffect.Length == 1) sum += 1;
             
             ExtBlock[] blocks = new ExtBlock[sum];
             for (int i = 0, index = 0; i < toAffect.Length; i++) {
diff --git a/Drawing/Brushes/RandomBrush.cs b/Drawing/Brushes/RandomBrush.cs
index 92306c163..0aefb36dc 100644
--- a/Drawing/Brushes/RandomBrush.cs
+++ b/Drawing/Brushes/RandomBrush.cs
@@ -22,7 +22,7 @@ using MCGalaxy.Drawing.Ops;
 
 namespace MCGalaxy.Drawing.Brushes {
     
-    public sealed class RandomBrush : FrequencyBrush {
+    public sealed class RandomBrush : Brush {
         readonly ExtBlock[] blocks;
         readonly int seed;
         
@@ -44,10 +44,10 @@ namespace MCGalaxy.Drawing.Brushes {
         
         public static Brush Process(BrushArgs args) {
             int[] count;
-            ExtBlock[] toAffect = GetBlocks(args, out count, P => true, null);
+            ExtBlock[] toAffect = FrequencyBrush.GetBlocks(args, out count, P => true, null);
             
             if (toAffect == null) return null;           
-            ExtBlock[] blocks = Combine(toAffect, count);
+            ExtBlock[] blocks = FrequencyBrush.Combine(toAffect, count);
             return new RandomBrush(blocks);
         }
         
diff --git a/Server/Server.Tasks.cs b/Server/Server.Tasks.cs
index 423bdda27..43c56df61 100644
--- a/Server/Server.Tasks.cs
+++ b/Server/Server.Tasks.cs
@@ -105,7 +105,7 @@ namespace MCGalaxy {
             } else {
                 try {
                     int temp = int.Parse(value);
-                    if (temp >= 0 && temp <= 3)
+                    if (temp >= 0 && temp <= 5)
                         mainLevel.setPhysics(temp);
                 } catch {
                     s.Log("Physics variable invalid");