In 2006 , Ledger directed three music videos : `` Cause an Effect '' and `` Seduction Is Evil ( She 's Hot ) '' for Australian hip-hop artist N ` fa , as well as `` Morning Yearning '' for Ben Harper . In 2006 Ledger directed music videos for the title track on Australian hip-hop artist N ` fa 's CD debut solo album Cause An Effect and for the single `` Seduction Is Evil ( She 's Hot ) '' .