diff --git a/scenes/valid/complex.rt b/scenes/valid/complex.rt
new file mode 100644
index 0000000..9a7bf48
--- /dev/null
+++ b/scenes/valid/complex.rt
@@ -0,0 +1,15 @@
+A 0.1 255,255,200
+
+C 0,10,50 0,0,-1 80
+L 20,20,20 0.9 255,240,220
+
+pl 0,0,0 0,1,0 200,200,200
+pl -30,0,0 1,0,0 150,180,200
+
+sp -15,5,10 10 200,50,50
+sp 0,5,0 8 50,200,50
+sp 15,5,10 10 50,50,200
+
+cy -15,0,-10 0,1,0 5 15 200,100,50
+cy 0,0,-10 0,1,0 5 15 100,200,50
+cy 15,0,-10 0,1,0 5 15 50,100,200
\ No newline at end of file
diff --git a/scenes/valid/basic_cylinder.rt b/scenes/valid/cylinder.rt
similarity index 100%
rename from scenes/valid/basic_cylinder.rt
rename to scenes/valid/cylinder.rt
diff --git a/scenes/valid/cylinders_row.rt b/scenes/valid/cylinders_row.rt
new file mode 100644
index 0000000..3ddc05f
--- /dev/null
+++ b/scenes/valid/cylinders_row.rt
@@ -0,0 +1,7 @@
+A 0.2 255,255,255
+C 0,2,25 0,0,-1 60
+L -10,20,10 0.8 255,255,255
+pl 0,-3,0 0,1,0 120,120,120
+cy -6,0,0 0,1,0 3 10 200,80,80
+cy 0,0,0 0,1,0 3 10 80,200,80
+cy 6,0,0 0,1,0 3 10 80,80,200
diff --git a/scenes/valid/simple.rt b/scenes/valid/mixed.rt
similarity index 100%
rename from scenes/valid/simple.rt
rename to scenes/valid/mixed.rt
diff --git a/scenes/valid/basic_plane.rt b/scenes/valid/plane.rt
similarity index 100%
rename from scenes/valid/basic_plane.rt
rename to scenes/valid/plane.rt
diff --git a/scenes/valid/shadow.rt b/scenes/valid/shadow.rt
new file mode 100644
index 0000000..6e144d9
--- /dev/null
+++ b/scenes/valid/shadow.rt
@@ -0,0 +1,5 @@
+A 0.05 255,255,255
+C 0,3,15 0,0,-1 60
+L -15,20,5 0.9 255,255,255
+pl 0,-2,0 0,1,0 180,180,180
+sp 0,0,0 4 200,100,100
diff --git a/scenes/valid/basic_sphere.rt b/scenes/valid/sphere.rt
similarity index 100%
rename from scenes/valid/basic_sphere.rt
rename to scenes/valid/sphere.rt
diff --git a/scenes/valid/many_sphere.rt b/scenes/valid/spheres_row.rt
similarity index 91%
rename from scenes/valid/many_sphere.rt
rename to scenes/valid/spheres_row.rt
index 6aa0b54..84bc4a2 100644
--- a/scenes/valid/many_sphere.rt
+++ b/scenes/valid/spheres_row.rt
@@ -1,4 +1,4 @@
-A  0.1      255,255,255
+A  0.2      255,255,255
 C  0,1,0    0,0,1       45
 L  -5,5,-5  0.5         255,255,255
 pl 0,-1,0   0,1,0       176,176,176