diff --git a/docs/courses/csintro/conditionals/activity.md b/docs/courses/csintro/conditionals/activity.md
index 9ebfd1f0..51230b2a 100644
--- a/docs/courses/csintro/conditionals/activity.md
+++ b/docs/courses/csintro/conditionals/activity.md
@@ -3,7 +3,7 @@
 For this activity, each student will need a micro:bit. 
 Everyone will create the same program, the classic rock paper scissor game.
 
-![Rock, paper, scissors](/static/courses/csintro/conditionals/rock-paper-scissors.jpg)
+![Rock, paper, scissors](/static/courses/csintro/conditionals/rock-paper-scissors.png)
 
 ## Introduce activity
 * Have students recall the classic rock paper scissors game.
@@ -64,4 +64,4 @@ input.onButtonPressed(Button.A, () => {
     basic.showString("Wins:")
     basic.showNumber(game.score())
 })
-```
\ No newline at end of file
+```
diff --git a/docs/static/courses/csintro/algorithms/cpu.png b/docs/static/courses/csintro/algorithms/cpu.png
new file mode 100644
index 00000000..370b5905
Binary files /dev/null and b/docs/static/courses/csintro/algorithms/cpu.png differ
diff --git a/docs/static/courses/csintro/conditionals/Rock-Paper-Scissors.png b/docs/static/courses/csintro/conditionals/Rock-Paper-Scissors.png
new file mode 100644
index 00000000..68f66c3d
Binary files /dev/null and b/docs/static/courses/csintro/conditionals/Rock-Paper-Scissors.png differ
diff --git a/docs/static/courses/csintro/making/create.png b/docs/static/courses/csintro/making/create.png
new file mode 100644
index 00000000..08e8c116
Binary files /dev/null and b/docs/static/courses/csintro/making/create.png differ