Forum:PosterDuty help in KH2 needed

I'm doing pretty well in KH2 right now;I've only got 3 three worlds left to complete before all the worlds are finished. Anyway I'm having troublke completing the PosterDuty challenge in Twilight Town. The closet I've come to the 30sec time is 40sec;only ten sec off!! Grr. Anyway if anyone has beaten this challenge then please help me and thanks in advance for all who answer.