selective blur

Again,  I was too slow to do the progressive blur during class and I thought I wrote down the directions on how to do it and  I still cannot seem to work it out.   So I turn to my Google friend again, couldn’t find what I was looking for, but I found this instead.

Selectively blurring images with ps6.  Iris, blur and tilt shift information. http://www.youtube.com/watch?v=gm0ba62MQ44