Nice! I shot the same trick about 3 years ago, only on the other side:

http://farm6.static.flickr.com/5301/5760125634_124419e4a0_o.jpg

wow haha, you definately got lucky skating there during the day, but it turned out better… i hate the shadows in my shot; but there’s nothin to do about that in nyc with 1000 people walking by