1.) The contained VTF- and VMT-file have to be extracted into the right folder. The default is...
- Counter-Strike Source English
...\Steam\SteamApps\name@domain\counter-strike source\cstrike\materials\VGUI\logos
2.) if there are files with the same name you´ll have to rename them first
3.) now start the game and choose the new spraylogo. For this purpose click options menu > Multiplayer
4.) Done! If you have any problems, please visit our FAQ or the board on http://www.spraylogos.de .
5.) Have a lot of fun with the spray paint, the Spraylogos.de-crew.