fprintf(fi," (music \"%s\")\n", song_title.c_str());
fprintf(fi," (background \"%s\")\n", bkgd_image.c_str());
fprintf(fi," (particle_system \"%s\")\n", particle_system.c_str());
- fprintf(fi," (bkgd_speed \"%d\")\n", bkgd_speed);
+ fprintf(fi," (bkgd_speed %d)\n", bkgd_speed);
fprintf(fi," (bkgd_red_top %d)\n", bkgd_top.red);
fprintf(fi," (bkgd_green_top %d)\n", bkgd_top.green);
fprintf(fi," (bkgd_blue_top %d)\n", bkgd_top.blue);