diff --git a/Test/MirrorHorizontally.cpp b/Test/MirrorHorizontally.cpp
index 6b83761..f0904df 100644
--- a/Test/MirrorHorizontally.cpp
+++ b/Test/MirrorHorizontally.cpp
@@ -10,13 +10,13 @@ TEST_CASE(__FILE__"/Mirroring produces the correct results", "[Mirroring][Mirror
 {
     SECTION("RGB") {
         // Read a gradient image
-        BMP bmp("base_gradient.bmp");
+        BMP bmp("base_fuwadera2.bmp");
 
         // Mirror it
         bmp = bmp.MirrorHorizontally();
 
         // Read reference image
-        const BMP reference("base_gradient_flipped_hor.bmp");
+        const BMP reference("base_fuwadera2_mirror_hor.bmp");
 
         // Assert that they are equal
         REQUIRE(bmp == reference);
@@ -24,13 +24,13 @@ TEST_CASE(__FILE__"/Mirroring produces the correct results", "[Mirroring][Mirror
 
     SECTION("RGBA") {
         // Read a gradient image
-        BMP bmp("basea_gradient.bmp");
+        BMP bmp("basea_fuwadera2.bmp");
 
         // Mirror it
         bmp = bmp.MirrorHorizontally();
 
         // Read reference image
-        const BMP reference("basea_gradient_flipped_hor.bmp");
+        const BMP reference("basea_fuwadera2_mirror_hor.bmp");
 
         // Assert that they are equal
         REQUIRE(bmp == reference);
diff --git a/Test/MirrorVertically.cpp b/Test/MirrorVertically.cpp
index 9979f4d..12d6f85 100644
--- a/Test/MirrorVertically.cpp
+++ b/Test/MirrorVertically.cpp
@@ -10,13 +10,13 @@ TEST_CASE(__FILE__"/Mirroring produces the correct results", "[Mirroring][Mirror
 {
     SECTION("RGB") {
         // Read a gradient image
-        BMP bmp("base_gradient.bmp");
+        BMP bmp("base_fuwadera2.bmp");
 
         // Mirror it
         bmp = bmp.MirrorVertically();
 
         // Read reference image
-        const BMP reference("base_gradient_flipped_ver.bmp");
+        const BMP reference("base_fuwadera2_mirror_ver.bmp");
 
         // Assert that they are equal
         REQUIRE(bmp == reference);
@@ -24,13 +24,13 @@ TEST_CASE(__FILE__"/Mirroring produces the correct results", "[Mirroring][Mirror
 
     SECTION("RGBA") {
         // Read a gradient image
-        BMP bmp("basea_gradient.bmp");
+        BMP bmp("basea_fuwadera2.bmp");
 
         // Mirror it
         bmp = bmp.MirrorVertically();
 
         // Read reference image
-        const BMP reference("basea_gradient_flipped_ver.bmp");
+        const BMP reference("basea_fuwadera2_mirror_ver.bmp");
 
         // Assert that they are equal
         REQUIRE(bmp == reference);
diff --git a/Test/TestAssets/base_fuwadera2.bmp b/Test/TestAssets/base_fuwadera2.bmp
new file mode 100644
index 0000000..2ba716c
Binary files /dev/null and b/Test/TestAssets/base_fuwadera2.bmp differ
diff --git a/Test/TestAssets/base_fuwadera2_mirror_hor.bmp b/Test/TestAssets/base_fuwadera2_mirror_hor.bmp
new file mode 100644
index 0000000..25dc736
Binary files /dev/null and b/Test/TestAssets/base_fuwadera2_mirror_hor.bmp differ
diff --git a/Test/TestAssets/base_fuwadera2_mirror_ver.bmp b/Test/TestAssets/base_fuwadera2_mirror_ver.bmp
new file mode 100644
index 0000000..e168309
Binary files /dev/null and b/Test/TestAssets/base_fuwadera2_mirror_ver.bmp differ
diff --git a/Test/TestAssets/base_gradient_flipped_hor.bmp b/Test/TestAssets/base_gradient_flipped_hor.bmp
deleted file mode 100644
index cc70ec7..0000000
Binary files a/Test/TestAssets/base_gradient_flipped_hor.bmp and /dev/null differ
diff --git a/Test/TestAssets/base_gradient_flipped_ver.bmp b/Test/TestAssets/base_gradient_flipped_ver.bmp
deleted file mode 100644
index 4263440..0000000
Binary files a/Test/TestAssets/base_gradient_flipped_ver.bmp and /dev/null differ
diff --git a/Test/TestAssets/basea_fuwadera2.bmp b/Test/TestAssets/basea_fuwadera2.bmp
new file mode 100644
index 0000000..0c9c0da
Binary files /dev/null and b/Test/TestAssets/basea_fuwadera2.bmp differ
diff --git a/Test/TestAssets/basea_fuwadera2_mirror_hor.bmp b/Test/TestAssets/basea_fuwadera2_mirror_hor.bmp
new file mode 100644
index 0000000..7a04cb0
Binary files /dev/null and b/Test/TestAssets/basea_fuwadera2_mirror_hor.bmp differ
diff --git a/Test/TestAssets/basea_fuwadera2_mirror_ver.bmp b/Test/TestAssets/basea_fuwadera2_mirror_ver.bmp
new file mode 100644
index 0000000..ac5e924
Binary files /dev/null and b/Test/TestAssets/basea_fuwadera2_mirror_ver.bmp differ
diff --git a/Test/TestAssets/basea_gradient_flipped_hor.bmp b/Test/TestAssets/basea_gradient_flipped_hor.bmp
deleted file mode 100644
index dedcca8..0000000
Binary files a/Test/TestAssets/basea_gradient_flipped_hor.bmp and /dev/null differ
diff --git a/Test/TestAssets/basea_gradient_flipped_ver.bmp b/Test/TestAssets/basea_gradient_flipped_ver.bmp
deleted file mode 100644
index 8c21b2e..0000000
Binary files a/Test/TestAssets/basea_gradient_flipped_ver.bmp and /dev/null differ
diff --git a/Test/TestAssets/readme.md b/Test/TestAssets/readme.md
index 85eecd0..8206d2a 100644
--- a/Test/TestAssets/readme.md
+++ b/Test/TestAssets/readme.md
@@ -2,5 +2,6 @@ base*.bmp is always RGB, basea*.bmp is always RGBA.
 
 # LICENSE
 Any images in here are licensed under CC0, Public Domain.
-Some i have created myself, some i have found on the interwebz.
+Some i have created myself, some i have found on the interwebz.  
+Weeb pics are from [sokyun moeesyugyouchu](https://www.publicdomainpictures.net/en/browse-author.php?a=72293).