All the code is available on the Github OR just use view source on the page itself..
The first example is a simple block explorer.
Block
Next is a simple app that broadcasts messages across the network.
The Wall
The next example is a little more complicated.
Showing how to send funds to a certain address with certain state variables.
Then you construct a rawtxn from a list of coins, specify outputs, state etc.. sign it and post it!
Everything you need to do anything you want..
Future Cash