It will beep and flash your client whenever skulled player appers on your screen and you are not in protection zone.
auto(1500, 2000) listas('skull on screen')
if not $pzone and paround(6) >= 1 then
foreach creature m 'pxs' do if m.skull > 0 and m.skull ~= SKULL_GREEN then
playsoundflash("loot.wav")
end
end
end