here is my 7850 cgminer.conf, with this I am sitting at around 340-350MH/s at 65C-70C, first of all be sure to have the latest ati drivers and use the latest cgminer aswell, there is no need to use a old outdated version like the 2.11 you are using in your last screenshoot
"intensity" : "16",
"vectors" : "1",
"worksize" : "256",
"kernel" : "scrypt",
"lookup-gap" : "2",
"thread-concurrency" : "12404",
"shaders" : "1024",
"gpu-engine" : "1050",
"gpu-fan" : "0-100",
"gpu-memclock" : "1200",
"gpu-memdiff" : "0",
"gpu-powertune" : "0",
"gpu-vddc" : "0.000",
"temp-cutoff" : "90",
"temp-overheat" : "85",
"temp-target" : "75",
"api-port" : "4028",
"auto-fan" : true,
"expiry" : "5",
"no-submit-stale" : true,
"gpu-dyninterval" : "7",
"gpu-platform" : "0",
"gpu-threads" : "1",
"log" : "5",
"no-pool-disable" : true,
"queue" : "5",
"scan-time" : "5",
"scrypt" : true,
"temp-hysteresis" : "3",
"shares" : "0",
"kernel-path" : "/usr/local/bin"