Lesson 01
Lesson 02 & 03 (Shapes)
You could also use http://turtleacademy.com/playground for online work - you can register so you can save your programs
The procedures below both take parameters - :Length is a parameter - it means you can make any size square by sending the procedure a number
square 50 for example will make a square with sides of 50 pixels while square 100 will make a square with sides of 100 pixels.
Lesson 04 & 05 (Flags)
My procedures to date are below - They are described in the help videos.