use png when file is png
use png when file is png

i5o/turtleblocksjs,rodibot/turtleblocksjs,hemantkasat/turtleblocksjs,tchx84/turtleblocksjs,walterbender/turtleblocksjs,Daksh/turtleblocksjs,garyservin/turtleblocksjs,Daksh/turtleblocksjs,rodibot/turtleblocksjs,hemantkasat/turtleblocksjs,garyservin/turtleblocksjs,rodibot/turtleblocksjs,walterbender/turtleblocksjs,hemantkasat/turtleblocksjs,tradzik/turtleblocksjs,walterbender/turtleblocksjs,i5o/turtleblocksjs,tchx84/turtleblocksjs,i5o/turtleblocksjs,tradzik/turtleblocksjs,tradzik/turtleblocksjs,garyservin/turtleblocksjs,Daksh/turtleblocksjs,tchx84/turtleblocksjs