I don't really know much about calligraphy, other than just messing around and adding stuff, but I have enjoyed playing with it recently. Here's a lettering sketch spelling "Hope."

ps.
for some really AWESOME calligraphy/ street art/ ...art, check out Niels Shoe Meulman, who makes cool lettering.

This is an illustration of the book Farenheit 451.  In the future firemen burn books because they're illegal, but one fireman isn't buying it.