Here is a link to the vector field script: STACK
I tried contacting the author a while back, and looking at the lack of replies in thread I dont think he is around anymore.
But If the author dm/pm/mails me to take it down I will.
Additionally, while still rather alpha-ish, take a look at: http://jangafx.com/ which also has a vector field generator which holds great promise for features in the neat future!