diff --git a/acidmetal.txt b/acidmetal.txt
index 7f479ca274..8500f75dd4 100644
--- a/acidmetal.txt
+++ b/acidmetal.txt
@@ -6,11 +6,13 @@ void main(out float4 ocol0 : COLOR0, in float2 uv0 : TEXCOORD0)
   float red   = 0.0;
   float blue  = 0.0;
 
-  if (c0.r > 0.25 && c0.b > 0.25)
+  if (c0.r > 0.15 && c0.b > 0.15)
   {
-    blue = c0.b;
-    red = c0.r;
+    blue = 0.5;
+    red = 0.5;
   }
+  
+  float green = max(c0.r + c0.b, c0.g);
 
-  ocol0 = float4(red, c0.g, blue, 1.0);
+  ocol0 = float4(red, green, blue, 1.0);
 }
\ No newline at end of file
diff --git a/brighten.txt b/brighten.txt
new file mode 100644
index 0000000000..ad1ae67572
--- /dev/null
+++ b/brighten.txt
@@ -0,0 +1,8 @@
+uniform samplerRECT samp0 : register(s0);
+
+void main(out float4 ocol0 : COLOR0, in float2 uv0 : TEXCOORD0)
+{
+  float4 c0 = texRECT(samp0, uv0).rgba;
+  c0 += c0 * 2;
+  ocol0 = float4(c0.r, c0.g, c0.b, c0.a);
+}
\ No newline at end of file
diff --git a/chrismas.txt b/chrismas.txt
index 6de668b2db..1fa852b8a2 100644
--- a/chrismas.txt
+++ b/chrismas.txt
@@ -6,13 +6,14 @@ void main(out float4 ocol0 : COLOR0, in float2 uv0 : TEXCOORD0)
   float red   = 0.0;
   float green = 0.0;
 
-  if (c0.r < 0.50 || c0.b > 0.5)
+  if (c0.r < 0.35 || c0.b > 0.35)
   {
 	green = c0.g + (c0.b / 2);
   }
   else
   {
-	red = c0.r + (c0.b / 2);
+	//red = 1 - c0.r + (c0.b / 2);
+	red = c0.r + 0.4;
   }
   
   ocol0 = float4(red, green, 0.0, 1.0);
diff --git a/cool1.txt b/cool1.txt
index 66de9c4d38..75780bfcbf 100644
--- a/cool1.txt
+++ b/cool1.txt
@@ -9,13 +9,13 @@ void main(out float4 ocol0 : COLOR0, in float2 uv0 : TEXCOORD0)
 
   if (c0.r < 0.50 || c0.b > 0.5)
   {
-	blue = c0.r + (c0.b / 2);
-	red = c0.g + (c0.b / 2);
+	blue = c0.r;
+	red = c0.g;
   }
   else
   {
-	blue = c0.r + (c0.b / 2);
-	green = c0.r + (c0.b / 2);
+	blue = c0.r;
+	green = c0.r;
   }
   
   ocol0 = float4(red, green, blue, 1.0);
diff --git a/invertedoutline.txt b/invertedoutline.txt
index 72e835ac41..4131f6a299 100644
--- a/invertedoutline.txt
+++ b/invertedoutline.txt
@@ -3,15 +3,7 @@ uniform samplerRECT samp0 : register(s0);
 void main(out float4 ocol0 : COLOR0, in float2 uv0 : TEXCOORD0)
 {
   float4 c0 = texRECT(samp0, uv0).rgba;
-  float4 c1 = texRECT(samp0, uv0 + float2(3,3)).rgba;
-  float red   = c0.r;
-  float green = c0.g;
-  float blue  = c0.b;
-  float alpha = c0.a;
-  
-  red   = c0.r - c1.r;
-  green = c0.g - c1.g;
-  blue  = c0.b - c1.b;
+  float4 c1 = texRECT(samp0, uv0 + float2(5,5)).rgba;
 
-  ocol0 = float4(red, green, blue, alpha);
+  ocol0 = c0 - c1;
 }
\ No newline at end of file
diff --git a/spookey1.txt b/spookey1.txt
index f0cde83b55..cbfe6b0558 100644
--- a/spookey1.txt
+++ b/spookey1.txt
@@ -6,14 +6,14 @@ void main(out float4 ocol0 : COLOR0, in float2 uv0 : TEXCOORD0)
   float red   = 0.0;
   float blue  = 0.0;
 
-  if (c0.r < 0.50 || c0.b > 0.5)
+  if (c0.r < 0.35 || c0.b > 0.5)
   {
-	red = c0.g + (c0.b / 2);
+	red = c0.g + c0.b;
   }
   else
   {
-    red = c0.g + (c0.b / 2);
-	blue = c0.r + (c0.b / 2);
+    red = c0.g + c0.b;
+	blue = c0.r + c0.b;
   }
   
   ocol0 = float4(red, 0.0, blue, 1.0);
diff --git a/spookey2.txt b/spookey2.txt
index 747d236427..58919ae15d 100644
--- a/spookey2.txt
+++ b/spookey2.txt
@@ -7,15 +7,15 @@ void main(out float4 ocol0 : COLOR0, in float2 uv0 : TEXCOORD0)
   float green = 0.0;
   float blue  = 0.0;
 
-  if (c0.r < 0.50 || c0.b > 0.5)
+  if (c0.r < 0.35 || c0.b > 0.5)
   {
-	red = c0.g + (c0.b / 2);
+	red = c0.g + c0.b;
   }
   else
   {
-    red = c0.g + (c0.b / 2);
-	blue = c0.r + (c0.b / 2);
-	green = c0.r + (c0.b / 2);
+    red = c0.g + c0.b;
+	blue = c0.r + c0.b;
+	green = c0.r + c0.b;
   }
   
   ocol0 = float4(red, green, blue, 1.0);
diff --git a/toxic.txt b/toxic.txt
index 81205ed0f8..aa38d9477e 100644
--- a/toxic.txt
+++ b/toxic.txt
@@ -7,15 +7,15 @@ void main(out float4 ocol0 : COLOR0, in float2 uv0 : TEXCOORD0)
   float green = 0.0;
   float blue  = 0.0;
 
-  if (c0.r < 0.50 || c0.b > 0.5)
+  if (c0.r < 0.3 || c0.b > 0.5)
   {
-	blue = c0.r + (c0.b / 2);
-	red = c0.g + (c0.b / 2);
+	blue = c0.r + c0.b;
+	red = c0.g + c0.b / 2;
   }
   else
   {
-    red = c0.g + (c0.b / 2);
-	green = c0.r + (c0.b / 2);
+    red = c0.g + c0.b;
+	green = c0.r + c0.b;
   }
   
   ocol0 = float4(red, green, blue, 1.0);