1: Go to scoreboard resource
2: Open with NotePad dxscoreboard_client.lua
3: Add this + or - on 700 line ( check the image )
elseif column.name == "Level" then
dxDrawImage( topX+theX, y-s(0.5), 30, 30, content, 0, 0, 0, cWhite, drawOverGUI )
4: Example from my old scoreboard
Full image : http://i.imgur.com/28dziCE.png