You may remember a big "IV" mural on a large building in New York City earlier in 2007. Well, Rockstar has decided to change that to a big Niko wanted poster that was previously posted.
You may remember the old one as well:
There is a lot of changes going around New York City, as you may have read earlier there was a painting found of Niko found on a wall. I definitely expect to see more GTA IV related paintings around New York City.