diff --git a/assets/level_background/debug/022259762-alien-world.jpeg b/assets/level_background/debug/022259762-alien-world.jpg
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diff --git a/assets/level_background/debug/038904975-dying-world.jpeg b/assets/level_background/debug/038904975-dying-world.jpg
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diff --git a/assets/level_background/debug/047196154-venus-landscape.jpeg b/assets/level_background/debug/047196154-venus-landscape.jpg
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diff --git a/assets/level_background/debug/053070150-moon-landscape.jpeg b/assets/level_background/debug/053070150-moon-landscape.jpg
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diff --git a/assets/level_background/debug/058104293-red-planet-saturn-moon.jpeg b/assets/level_background/debug/058104293-red-planet-saturn-moon.jpg
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diff --git a/assets/level_background/debug/060594794-sunset-alien-planet-and-20km-g.jpeg b/assets/level_background/debug/060594794-sunset-alien-planet-and-20km-g.jpg
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diff --git a/assets/level_background/debug/088515499-mars-red-planet-landscape-moun.jpeg b/assets/level_background/debug/088515499-mars-red-planet-landscape-moun.jpg
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diff --git a/assets/level_background/debug/readme.txt b/assets/level_background/debug/readme.txt
new file mode 100755
index 0000000..a083fa0
--- /dev/null
+++ b/assets/level_background/debug/readme.txt
@@ -0,0 +1,2 @@
+These files are made special for debugging, as they are smaller and their width and height are power of two,
+so then they are being loading, it doesn't call TTextureListClass::NormalizeTexData(), which is very slow in debugging.
\ No newline at end of file