yes i think that should be good but the only probrlem is people may keep signing up for this so they should make a free 15 day trail for each ip address

if(md5(file_get_contents('http://www.lfsworld.net/isonline.Shadowww.gif')) == 'md5 sum of online img') { $lfstatus = 'OnLine'; }
if(md5(file_get_contents('http://www.lfsworld.net/isonline.Shadowww.gif')) == 'md5 sum of offline img') { $lfstatus = 'OffLine'; }
if(md5(file_get_contents('http://www.lfsworld.net/isonline.Shadowww.gif')) == 'md5 sum of inpits img') { $lfstatus = 'In pits'; }
if(md5(file_get_contents('http://www.lfsworld.net/isonline.Shadowww.gif')) == 'md5 sum of spectating img') { $lfstatus = 'Spectating'; }