che ne pensate? potrebbero essere utili?
http://www.google.it/images?q=fps%20freaks&oe=utf-8&rls=com.frontmotion:it:unofficial&client=firefox-a&um=1&ie=UTF-8&source=og&sa=N&hl=it&tab=wi&biw=1280&bih=839
http://www.google.it/images?q=fps%20freaks&oe=utf-8&rls=com.frontmotion:it:unofficial&client=firefox-a&um=1&ie=UTF-8&source=og&sa=N&hl=it&tab=wi&biw=1280&bih=839