Converting from rastor to vector

For the past few days, between 13 August (Sunday) and 15 August (Tuesday), I had been working on this image: http://e-shuushuu.net/images/2006-08-12-29679.jpg
(if the link doesn't work, go to that website and search for image id no. 29679)


The following Is proof that I actually did it (If you enlarge the final version from here and zooming into the area shown below, you can see that it is not as clear as what you here. That's because the image is converted to rastor and quality is further reduced when saving in JPEG format.)

Final Image (click on image to view the enlarged version):


Selected area in rastor zoomed in:


The same area converted to vector:


(P.s. The video in the prevous blog (Japanese learning English) had received about 3400 views within 3 days of uploading it.)