docs: Update ros2.md turtlesim section (#2442)

docs/tutorials/ros2.md

@@ -86,8 +86,9 @@ Congratulations you have ROS 2 running on your machine with pixi!
     cd my_ros2_project
     pixi run ros2 run turtlesim turtle_teleop_key
     ```
-Now you can control the turtle with the arrow keys on your keyboard.
-![Turtlesim control](https://private-user-images.githubusercontent.com/12893423/319520632-c80c5054-3335-49c7-9671-92bd8702708b.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.4dD3FdMZ7VBRPTLcnSPlWsSWkx4pgjKq24NEL-TnW0g)
+    Now you can control the turtle with the arrow keys on your keyboard.
+
+![Turtlesim control](https://github.com/user-attachments/assets/9424c44b-b7c0-48f4-8e7d-501131e9e9e5)
 
 ## Add a custom Python node
 
@@ -112,7 +113,7 @@ pixi run colcon build
 ```
 
 This will create a sourceable script in the `install` folder, you can source this script through an activation script to use your custom node.
-Normally this would be the script you add to your `.bashrc` but now you tell pixi to use it.
+Normally this would be the script you add to your `.bashrc` but instead you tell pixi to use it by adding the following to `pixi.toml`:
 
 === "Linux & macOS"
     ```toml title="pixi.toml"