this property is a single value... is there any way i can wiggle the "blurlength" attribute length randomly?

need some help! the situation: i have a box modeled in 3d and rendered out with UV cordinates channel in RPF format. and i used 2 plugins in AE: 1. extract 3D channel (generic plugin) 2. RE: Map (http://www.revisionfx.com/products/remap/) to remap new textures. (so far its working fine) the catch: i...