Another Common Asked Question For Textures and Customs:
Q:Can This Texture Hack Get Me Vac Banned?
A:No and Quoted by Valve
"The following will not trigger a VAC ban:
* Using chat programs like X-Fire
* Playing multi-player mods which do not modify core .EXE and .DLL files
* System hardware configurations
* Updated system drivers, such as video card drivers
* Using custom skins, sounds or maps"