Are you looking to save a little money this Halloween by doing your costume and some decorating yourself? If so, you need to check out the Halloween DIY at Lifehacker. You can get info on things like making your own bloody gash as part of your costume – it looks so real! They also have a link to some info on how to make a fake body part. Scary! And there is also plenty of info on pumpkin carving if you have not yet gotten around to that yet.