Brooklyn street artist D.Billy has been adorning the town with impermanent art. The temporary "tags" have been spotted under and above ground, and his mediums have included balloons, streamers and artist tape. He says of his work:I have begun to add visual representations of sound effects to public spaces as a sort of dimensional graffiti. After embellishing the found scenes and photographing the results, I leave my additions in place to engage passers-by for as......