There are many different things that you can do to decorate your home for a New Year's Eve party. First, you want to make sure you get the hats to place these around your house. As your guests start drinking and having a good time they can put them on, take pictures with them. Also, get some noise makers and set them out as well. You can even put them all in a bowl in the center of your buffet table or something. You can use the hats and noise makers as decorations through out your home for people to grab as they go along. Also you're going to want to make sure that you have some sort of bar set up for your party. Your bar could be decorative as well, put some of your hats and such on the bar as well. With all the hats and noisemakers you are sure to have a festive looking party.