[문의] 랜덤 이미지 스크립트를 어디에 넣으면 될까요...?

현재 인장 스크립트는 밑에 첨부해 놓았습니다.

넣고 싶은 그림은

http://www.inven.co.kr/board/webzine/4730/1584?my=post 

여기에 넣어놓은건데

배경으로는 밑에 벗꽃 떨어지는 그림 3개 

앞에 랜덤 이미지는 23개 인데..

스크립트 어느걸 지우고 넣어야할지 모르겠습니다.

도움 언제나 감사드려요.

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