Here are some nice links that are worth checking out:

Games

Quake3World

Urban Terror

Overdose

People

Georges "TRaK" GrondinMapper

Tom "keres" HavlikMapper
Programmer
Texture Artist

Simon "Sock" O'CallaghanMapper
Modeller
Programmer
Texture Artist

Gavin "Odium" StevensMapper
Modeller
Texture Artist

Rob "BlackRayne" BergmanModeller

Ferdinand "cityy_" LMapper

Ken "Kat" BeyerMapper
Programmer
Modeller
Texture Artist

Brian "Skippy" DeLisiMapper

Other stuff

Urban Terror Mappers wiki

CGTextures

Hellingly Asylum(nice photography)

BurningWell.org