diff --git a/Applications.cfg b/Applications.cfg
index 4f77cd1f..74e71fae 100644
--- a/Applications.cfg
+++ b/Applications.cfg
@@ -4,7 +4,7 @@
 		url="https://raw.githubusercontent.com/IgorTimofeev/OpenComputers/master/OS.lua",
 		type="Script",
 		forceDownload=true,
-		version=4.10,
+		version=4.11,
 	},
 	{
 		path="/MineOS/Pictures/MoonTouch.pic",
@@ -227,7 +227,7 @@
 		url="https://raw.githubusercontent.com/IgorTimofeev/OpenComputers/master/lib/MineOSCore.lua",
 		type="Library",
 		preloadFile=true,
-		version=2.01,
+		version=2.02,
 	},
 	{
 		path="/lib/MineOSNetwork.lua",
diff --git a/OS.lua b/OS.lua
index 0eba2cb0..675b3bf4 100755
--- a/OS.lua
+++ b/OS.lua
@@ -251,9 +251,13 @@ local function changeWallpaper()
 			MineOSInterface.mainContainer.background.wallpaperPosition.y = math.floor(1 + MineOSInterface.mainContainer.height / 2 - image.getHeight(MineOSInterface.mainContainer.background.wallpaper) / 2)
 		end
 
+		local r, g, b
 		for i = 3, #MineOSInterface.mainContainer.background.wallpaper, 4 do
-			MineOSInterface.mainContainer.background.wallpaper[i] = color.blend(MineOSInterface.mainContainer.background.wallpaper[i], 0x0, MineOSCore.properties.wallpaperBrightness)
-			MineOSInterface.mainContainer.background.wallpaper[i + 1] = color.blend(MineOSInterface.mainContainer.background.wallpaper[i + 1], 0x0, MineOSCore.properties.wallpaperBrightness)
+			r, g, b = color.HEXToRGB(MineOSInterface.mainContainer.background.wallpaper[i])
+			MineOSInterface.mainContainer.background.wallpaper[i] = color.RGBToHEX(math.floor(r * MineOSCore.properties.wallpaperBrightness), math.floor(g * MineOSCore.properties.wallpaperBrightness), math.floor(b * MineOSCore.properties.wallpaperBrightness))
+			
+			r, g, b = color.HEXToRGB(MineOSInterface.mainContainer.background.wallpaper[i + 1])
+			MineOSInterface.mainContainer.background.wallpaper[i + 1] = color.RGBToHEX(math.floor(r * MineOSCore.properties.wallpaperBrightness), math.floor(g * MineOSCore.properties.wallpaperBrightness), math.floor(b * MineOSCore.properties.wallpaperBrightness))
 		end
 	end
 end
diff --git a/Wallpapers/Tatu.pic b/Wallpapers/Tatu.pic
new file mode 100644
index 00000000..c016ae8d
Binary files /dev/null and b/Wallpapers/Tatu.pic differ
diff --git a/lib/MineOSCore.lua b/lib/MineOSCore.lua
index f6c7b89c..4f9c79e8 100755
--- a/lib/MineOSCore.lua
+++ b/lib/MineOSCore.lua
@@ -77,9 +77,9 @@ function MineOSCore.loadPropeties()
 		iconWidth = 12,
 		iconHeight = 6,
 		showExtension = false,
-		wallpaper = MineOSPaths.pictures .. "Girl.pic",
+		wallpaper = MineOSPaths.pictures .. "Tatu.pic",
 		wallpaperMode = 2,
-		wallpaperBrightness = 0.6,
+		wallpaperBrightness = 1.0,
 		screensaver = "Matrix",
 		screensaverDelay = 20,
 		timezone = 3,