 ______     ______     _____     _____     ______     ______   ______     ______     __    __     ______   ______     ______     ______    
/\  __ \   /\  ___\   /\  __-.  /\  __-.  /\  __ \   /\__  _\ /\  __ \   /\  __ \   /\ "-./  \   /\  __ \ /\  __ \   /\  ___\   /\  ___\   
\ \  __<   \ \  __\   \ \ \/\ \ \ \ \/\ \ \ \ \/\ \  \/_/\ \/ \ \  __<   \ \  __ \  \ \ \-./\ \  \ \  _-/ \ \  __ \  \ \ \__ \  \ \  __\   
 \ \_\ \_\  \ \_____\  \ \____-  \ \____-  \ \_____\    \ \_\  \ \_\ \_\  \ \_\ \_\  \ \_\ \ \_\  \ \_\    \ \_\ \_\  \ \_____\  \ \_____\ 
  \/_/ /_/   \/_____/   \/____/   \/____/   \/_____/     \/_/   \/_/ /_/   \/_/\/_/   \/_/  \/_/   \/_/     \/_/\/_/   \/_____/   \/_____/ 
                                                                                                                                           

Extract to
C:/program files/steam/steamapps/[your account name]/counter-strike source/cstrike

All credit goes to me, RedDotRampage, for making this skin