Here's an example for a BFG conf file. Of course your settings will be different because of what your using. For that maybe post your info video card(s) and one of the guys can help out.
{
"pools" : [
{
"url" : "POOL URL:PORT",
"user" : "USERNAME.1",
"pass" : "PASSWORD"
}
]
,
"intensity" : "10",
"vectors" : "1",
"worksize" : "128",
"kernel" : "scrypt",
"lookup-gap" : "2",
"thread-concurrency" : "1028",
"shaders" : "0",
"gpu-engine" : "760",
"gpu-fan" : "0-85",
"gpu-memclock" : "800",
"gpu-memdiff" : "0",
"gpu-powertune" : "0",
"gpu-vddc" : "0.000",
"temp-cutoff" : "60",
"temp-overheat" : "57",
"temp-target" : "55",
"api-port" : "4028",
"expiry" : "120",
"gpu-dyninterval" : "7",
"gpu-platform" : "0",
"gpu-threads" : "1",
"hotplug" : "5",
"log" : "5",
"no-pool-disable" : true,
"queue" : "1",
"scan-time" : "60",
"scrypt" : true,
"temp-hysteresis" : "3",
"shares" : "0",
"kernel-path" : "/usr/local/bin"
}