I would like to have a banner on the scoreboard for presenting our event information

Hi all, I would like to display a banner on the top of scoreboard in Domjudge v7.3.0 but it couldn't be applied even I upload banner.png to the images folder. Regards, Trần Bình Dương (Mr) IT Lecturer Software Engineering Department , FPT University 29th Kilometer Thang Long Boulevard, Thach Hoa commune, Thach That Province, Education and Training Area, Hoa Lac High Tech Park, Ha Noi Mobile:(+84) 936168165 Skype: avn_duong.tb E-mail: duongtb@fe.edu.vn Website: ....