The thing that makes LittleBigPlanet so powerful when it comes to user-generated content is that every level in Media Molecule's game was created in the same editor that every player can utilize. This creates an environment for both casual tinkerers and aspiring developers, but the tutorials only cover the basics.
Here are four videos that begin to explore some of the basic devices you can make using what you learned in the tutorials.
Part 1: Elevators, Springs, and Pistons
Hit the break the next three parts and learn about things like swings, catapults, and vehicles.
Part 2: Hidden Passages, Windows, and Swings
Part 3: Catapults, See-Saws, and Emitters
Part 4: Vehicles