Cross-hairs

HoT_sHoT_KiLLa

I downloaded the cross hair pack but i dont get how to use them in the game. plz help/ <!--emo&:(--><img src='http://www.unknownworlds.com/forums/html/emoticons/sad.gif' border='0' style='vertical-align:middle' alt='sad.gif'><!--endemo-->

Sarisel

What is the pack? Is there a readme? What's the format of the file?