BF2S Forums Strange thing..

well by watching forum and few screens on it i found a thing that isnt clear to me :

when i kill someone in game or get any points etc its written like :
http://i53.photobucket.com/albums/g44/Flaming_Maniac/fatsaucepwange.jpg

and ive seen many screens with :
http://img47.imageshack.us/img47/5388/screen018qt2.jpg

highlighted nicknames of the ppl you kill and so on..

anyone can tell me what it its cuz i was tryin to change it in game and so on and i just couldnt find it : F

Thanks in advance.