In 1996 Greive became a creative consultant and writer for Godfrey Bigot's weekly political sketches on Channel 7's "Today Tonight", and went on to pursue a similar role in 1997 with MTV Australia. In 1998, Greive collaborated with Kapow Pictures to write and direct an animated short for Nickelodeon called "Agent Green", and a short film called "Show & Tell" which won the Comgraph Animation Gold Award, the Tellrude Film Festival Best Short Film Award, the Danish International 3D Award, and was nominated for an AFI Award for Best Short Animation.