diff --git a/resources/graphics/TODO.txt b/resources/graphics/TODO.txt
index b8f5c94..58dbaf9 100644
--- a/resources/graphics/TODO.txt
+++ b/resources/graphics/TODO.txt
@@ -6,10 +6,10 @@ DONE	/weight_indicator/	weight scale indicator (arrow moving 180 degrees from le
 DONE	/numbered_stones/	symbol stones
 DONE	lasersource		lasersource
 DONE	lasertarget.png		lasertarget
-dummy	lasertarget_glow.png	lasertarget_glow (when it is being hit by a laser beam)
+DONE	lasertarget_glow.png	lasertarget_glow (when it is being hit by a laser beam)
 DONE	/door/			gate
-DONE	/numbered_stones/	tiles with symbols for level 1 tasks.
-				tiles for level 1, matte and shining (green light)
+DONE	/symbols/blocks/	tiles with symbols for level 1 tasks.
+DONE	/symbols/blocks/	tiles for level 1, matte and shining (green light)
 DONE	blocks/block3.png	widen block03.png
 dummy	spacecraft.png		spaceship
 				alien spacecraft taking off.
diff --git a/resources/graphics/lasersource_down.png b/resources/graphics/lasersource_down.png
index b8a9031..9a202e2 100644
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diff --git a/resources/graphics/lasersource_down_old.png b/resources/graphics/lasersource_down_old.png
new file mode 100644
index 0000000..b8a9031
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diff --git a/resources/graphics/lasersource_right.png b/resources/graphics/lasersource_right.png
index 5dc6fba..d07465d 100644
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diff --git a/resources/graphics/lasersource_right_old.png b/resources/graphics/lasersource_right_old.png
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index 0000000..5dc6fba
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diff --git a/resources/graphics/lasersource_up.png b/resources/graphics/lasersource_up.png
index b93900e..f59f267 100644
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diff --git a/resources/graphics/lasersource_up_old.png b/resources/graphics/lasersource_up_old.png
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index 0000000..82031c1
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diff --git a/resources/graphics/lasertarget_glow.png b/resources/graphics/lasertarget_glow.png
index 7bd8628..b2a5f31 100644
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diff --git a/resources/graphics/symbols/blocks/block13-0019.png b/resources/graphics/symbols/blocks/block13-0019.png
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index 0000000..8f08bd5
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diff --git a/resources/graphics/symbols/blocks/block14-0016.png b/resources/graphics/symbols/blocks/block14-0016.png
index 1dabb66..9101c6b 100644
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diff --git a/resources/graphics/symbols/blocks/block14-0017.png b/resources/graphics/symbols/blocks/block14-0017.png
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diff --git a/resources/graphics/symbols/blocks/block14-0018.png b/resources/graphics/symbols/blocks/block14-0018.png
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diff --git a/resources/graphics/symbols/blocks/block14-0019.png b/resources/graphics/symbols/blocks/block14-0019.png
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diff --git a/resources/graphics/symbols/blocks/block15-0019.png b/resources/graphics/symbols/blocks/block15-0019.png
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index 0000000..4efc157
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diff --git a/resources/graphics/symbols/blocks/block16-0019.png b/resources/graphics/symbols/blocks/block16-0019.png
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index 0000000..4b71d75
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diff --git a/resources/graphics/symbols/blocks/block17-0019.png b/resources/graphics/symbols/blocks/block17-0019.png
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