This is seriously the greatest Skyrim machinima I've ever seen. In addition, it came with a host of mods that just add to the game so much, you would barely know it didn't come with the original purchase. Overall just awesome, a must watch for all of you here!

http://www.youtube.com/watch?v=8RUN_TpcJ0U&feature=relmfu

Oh, and here's another one dubbed the Seige of Markarth.

http://www.youtube.com/watch?v=1uYsnoUvv8Q&feature=relmfu