Dustincropsboy's first (and hopefully not last) stop-motion animated Lego film is a charming story of romance. He also made a poster for it.
Lego Great Ball Contraption. (YouTube). Not enough balls? Try this one. (YouTube) More about Great Ball Contraptions: one two
Many people have described the popular freeform game Minecraft as "kind of like Lego", so a few enterprising stop-motion animators have decided to jump on that idea.
Badass Lego Guns, a short YouTube video (1.55) showing five working guns built from instructions from the book of the same name by Martin Hudepohl. [more inside]