diff --git a/common/src/common/dimension/Dimension.java b/common/src/common/dimension/Dimension.java
index 315dc8f..9eee678 100755
--- a/common/src/common/dimension/Dimension.java
+++ b/common/src/common/dimension/Dimension.java
@@ -2,14 +2,11 @@ package common.dimension;
 
 import java.util.List;
 import java.util.Map;
-import java.util.Set;
-
 import common.biome.Biome;
 import common.biome.IBiome;
 import common.block.foliage.LeavesType;
 import common.collect.Lists;
 import common.collect.Maps;
-import common.collect.Sets;
 import common.init.BlockRegistry;
 import common.init.Blocks;
 import common.init.MetalType;
@@ -19,6 +16,8 @@ import common.nbt.NBTTagList;
 import common.nbt.NBTTagString;
 import common.util.ExtMath;
 import common.util.Vec3;
+import common.world.CloudType;
+import common.world.SkyboxType;
 import common.world.State;
 import common.world.Weather;
 
@@ -196,19 +195,8 @@ public abstract class Dimension extends Nameable implements Comparable<Dimension
 	
 	private static final int[] METAL_SIZES =   new int[] {13, 11, 11,  9,  9,  7,  6,  5,  4,  3};
 	private static final int[] METAL_COUNTS =  new int[] {20, 12,  8,  5,  3,  1, -2, -4, -6, -8};
+	private static final int[] METAL_OFFSETS = new int[] { 0,  0,  0,  0,  0,  0,  0,  0,  0,  0};
 	private static final int[] METAL_HEIGHTS = new int[] {64, 56, 48, 38, 32, 28, 16, 14, 12, 10};
-	private static final Set<Character> SAFE_CHARS = Sets.newHashSet();
-	
-//	private static final FeatureOres[] DEFAULT_ORES;
-//	
-//	static {
-//		List<OreSettings> ores = Lists.<OreSettings>newArrayList();
-//		OreRegistry.populateDefault(ores);
-//		DEFAULT_ORES = new FeatureOres[ores.size()];
-//		for(int z = 0; z < DEFAULT_ORES.length; z++) {
-//			DEFAULT_ORES[z] = ores.get(z).createGenerator();
-//		}
-//	}
 	
 	private final int id;
 	private final String name;
@@ -223,8 +211,8 @@ public abstract class Dimension extends Nameable implements Comparable<Dimension
 	private int cloudColor = 0x000000;
 	private float starBrightness = 0.0f;
 	private float deepstarBrightness = 0.0f;
-	private String cloudTexture = "clouds";
-	private String skyboxTexture = null;
+	private CloudType cloudTexture = CloudType.NORMAL;
+	private SkyboxType skyboxTexture = null;
 	private ColorGenerator starColorFunc = null;
 	private ColorGenerator deepstarColorFunc = null;
 	private String fullName; // synced only
@@ -291,24 +279,6 @@ public abstract class Dimension extends Nameable implements Comparable<Dimension
 	
 	private long seed = 0L;
 	
-	static {
-		final String safe = "0123456789abcdefghijklmnopqrstuvwxyz_";
-		for(int z = 0; z < safe.length(); z++) {
-			SAFE_CHARS.add(safe.charAt(z));
-		}
-	}
-
-	private static String getSafeFilename(String name, String fallback) {
-		if(name.length() < 1 || name.length() > 32)
-			return fallback;
-		for(int z = 0; z < name.length(); z++) {
-			if(!SAFE_CHARS.contains(name.charAt(z))) {
-				return fallback;
-			}
-		}
-		return name;
-	}
-	
 	public Dimension(int id, String name) {
 		this.id = id;
 		this.name = name;
@@ -599,7 +569,7 @@ public abstract class Dimension extends Nameable implements Comparable<Dimension
 		for(MetalType metal : metals) {
 			int count = METAL_COUNTS[metal.rarity];
 			this.ores.add(new Ore(BlockRegistry.getRegisteredBlock(metal.name + "_ore").getState(), 
-					count < 0 ? 0 : count, count < 0 ? (-count) : 0, METAL_SIZES[metal.rarity], 0, METAL_HEIGHTS[metal.rarity], false));
+					count < 0 ? 0 : count, count < 0 ? (-count) : 0, METAL_SIZES[metal.rarity], METAL_OFFSETS[metal.rarity], METAL_HEIGHTS[metal.rarity], false));
 		}
 		return this;
 	}
@@ -688,12 +658,12 @@ public abstract class Dimension extends Nameable implements Comparable<Dimension
 		return this;
 	}
 
-	public final Dimension setCloudTexture(String value) {
+	public final Dimension setCloudTexture(CloudType value) {
 		this.cloudTexture = value;
 		return this;
 	}
 
-	public final Dimension setSkyBoxTexture(String value) {
+	public final Dimension setSkyBoxTexture(SkyboxType value) {
 		this.skyboxTexture = value;
 		return this;
 	}
@@ -790,11 +760,11 @@ public abstract class Dimension extends Nameable implements Comparable<Dimension
 	}
 	
 	public final String getCloudTexture() {
-		return "textures/world/" + this.cloudTexture + ".png";
+		return "textures/world/" + this.cloudTexture.getTexture() + ".png";
 	}
 	
 	public final String getSkyBoxTexture() {
-		return this.skyboxTexture == null ? null : ("textures/world/" + this.skyboxTexture + ".png");
+		return this.skyboxTexture == null ? null : ("textures/world/" + this.skyboxTexture.getTexture() + ".png");
 	}
 
 	public final boolean hasDenseFog() {
@@ -1151,9 +1121,9 @@ public abstract class Dimension extends Nameable implements Comparable<Dimension
 	    	this.deepstarBrightness = tag.getFloat("DStarBrightness");
 	    	this.orbitalPeriod = tag.getLong("OrbitalPeriod");
 	    	this.rotationPeriod = tag.getLong("RotationPeriod");
-	    	this.cloudTexture = getSafeFilename(tag.getString("CloudTexture"), "clouds");
+	    	this.cloudTexture = CloudType.getByName(tag.getString("CloudTexture"));
 	    	this.skyboxTexture = tag.hasKey("SkyBoxTexture", 8) ? 
-	    			getSafeFilename(tag.getString("SkyBoxTexture"), null) : null;
+	    			SkyboxType.getByName(tag.getString("SkyBoxTexture")) : null;
 	    	if(tag.hasKey("StarColor", 3)) {
 		    	this.setStarColor(tag.getInteger("StarColor"));
 	    	}
@@ -1360,9 +1330,9 @@ public abstract class Dimension extends Nameable implements Comparable<Dimension
 	    	tag.setFloat("DStarBrightness", this.deepstarBrightness);
 	    	tag.setLong("OrbitalPeriod", this.orbitalPeriod);
 	    	tag.setLong("RotationPeriod", this.rotationPeriod);
-			tag.setString("CloudTexture", this.cloudTexture);
+			tag.setString("CloudTexture", this.cloudTexture.toString());
 	    	if(this.skyboxTexture != null)
-	    		tag.setString("SkyBoxTexture", this.skyboxTexture);
+	    		tag.setString("SkyBoxTexture", this.skyboxTexture.toString());
 	    	if(this.starColorFunc instanceof SingleColorGen) {
 	    		tag.setInteger("StarColor", ((SingleColorGen)this.starColorFunc).color);
 	    	}
diff --git a/common/src/common/init/UniverseRegistry.java b/common/src/common/init/UniverseRegistry.java
index a011345..324828a 100755
--- a/common/src/common/init/UniverseRegistry.java
+++ b/common/src/common/init/UniverseRegistry.java
@@ -32,6 +32,7 @@ import common.nbt.NBTTagCompound;
 import common.nbt.NBTTagList;
 import common.rng.Random;
 import common.util.PortalType;
+import common.world.CloudType;
 import common.world.State;
 import common.world.Weather;
 
@@ -640,7 +641,7 @@ public abstract class UniverseRegistry {
 //				.addOre(Blocks.PLACEHOLDER_ore.getState(), 0, 2, 3, 0, 12, false)
 				, "ovrol");
 		
-		registerDimension("Der Warp", new Semi(-1, "warp", 0x0c001f, 0x0c001f, 0x190033, 285.0f, 3).setCloudTexture("clouds_dense").setCloudHeight(238.0f)
+		registerDimension("Der Warp", new Semi(-1, "warp", 0x0c001f, 0x0c001f, 0x190033, 285.0f, 3).setCloudTexture(CloudType.DENSE).setCloudHeight(238.0f)
 				.setPerlinGen(Blocks.obsidian.getState(), Blocks.lava.getState(), 63)
 				.setBiome(Biome.CHAOS).enableCavesRavines(Blocks.air.getState()).enableLongCaves().enableMobs().enableSnow()
 				.addLake(Blocks.water.getState(), null, Blocks.obsidian.getState(), 8, 0, 255, false)
diff --git a/common/src/common/world/CloudType.java b/common/src/common/world/CloudType.java
new file mode 100644
index 0000000..e3ccbd9
--- /dev/null
+++ b/common/src/common/world/CloudType.java
@@ -0,0 +1,39 @@
+package common.world;
+
+import java.util.Map;
+
+import common.collect.Maps;
+
+public enum CloudType {
+	NORMAL("normal", "clouds"), 
+	DENSE("dense", "clouds_dense");
+	
+	private static final Map<String, CloudType> LOOKUP = Maps.newHashMap();
+
+	private final String name;
+	private final String texture;
+	
+	private CloudType(String name, String texture) {
+		this.name = name;
+		this.texture = texture;
+	}
+
+	public String toString() {
+		return this.name;
+	}
+	
+	public String getTexture() {
+		return this.texture;
+	}
+
+	public static CloudType getByName(String name) {
+		CloudType type = LOOKUP.get(name.toLowerCase());
+		return type == null ? NORMAL : type;
+	}
+	
+	static {
+		for(CloudType type : values()) {
+			LOOKUP.put(type.name, type);
+		}
+	}
+}
\ No newline at end of file
diff --git a/common/src/common/world/SkyboxType.java b/common/src/common/world/SkyboxType.java
new file mode 100644
index 0000000..950989f
--- /dev/null
+++ b/common/src/common/world/SkyboxType.java
@@ -0,0 +1,37 @@
+package common.world;
+
+import java.util.Map;
+
+import common.collect.Maps;
+
+public enum SkyboxType {
+	;
+	
+	private static final Map<String, SkyboxType> LOOKUP = Maps.newHashMap();
+
+	private final String name;
+	private final String texture;
+	
+	private SkyboxType(String name, String texture) {
+		this.name = name;
+		this.texture = texture;
+	}
+
+	public String toString() {
+		return this.name;
+	}
+	
+	public String getTexture() {
+		return this.texture;
+	}
+
+	public static SkyboxType getByName(String name) {
+		return LOOKUP.get(name.toLowerCase());
+	}
+	
+	static {
+		for(SkyboxType type : values()) {
+			LOOKUP.put(type.name, type);
+		}
+	}
+}
\ No newline at end of file