I want to create a sort of stock ticker effect by masking a large image then animating the image while it's being masked. Is this possible?

http://news.cnet.com/8301-31021_3-20020338-260.html

Is there a way I can motion blur everything in the display window at once easily? I tried filter(BLUR) felt too slow.

Is there a way to do a http post within processing? Basically I'm trying to replicate a simple php form that inputs a couple fields to a mysql database.