I enjoyed the tutorials. They are easy to follow and understand how the programming behind each animation is compiled.
I wasn't able to complete tutorial 4, as the world was completely black even though I chose the 'grass' environment. It remained black after I dragged the beach chair into the world.

Seems like a glitch with that tutorial?
Update 9/2 - I relaunched Alice and restarted tutorial 4, and this time was able to get through all of it, placing the beach chairs and moving them around. Must have been a temporary glitch when I got the black screen before.. :-)