How to mining this coin?

were  can i download the wallet? 

Hi, who know the best config to mining Dimecoin with AMD R9 290x? I use sgminer v5.1 and the best hashrate i get is 3Mh, the config i use is:

{
  "pools": [
    {
      "url": "stratum+tcp://dimepool.lulupon.net:33588",
      "user": "lisheng.xxxxx",
      "pass": "xxxxxxxxxx",
      "no-extranonce": true
    }
  ],
  "profiles": [],
  "failover-only": true,
  "algorithm": "quarkcoin",
  "device": "all",
  "intensity": "18",
  "worksize": "256",
  "gpu-threads": "1",
  "temp-cutoff": "70",
  "temp-overheat": "69",
  "temp-target": "55",
  "gpu-memdiff": "0",
  "shares": "0",
  "kernel-path": "/usr/local/bin",
  "api-mcast-port": "4028",
  "api-port": "4028",
  "expiry": "28",
  "failover-switch-delay": "60",
  "gpu-dyninterval": "7",
  "gpu-platform": "-1",
  "hamsi-expand-big": "4",
  "keccak-unroll": "0",
  "log": "5",
  "no-pool-disable": true,
  "no-client-reconnect": true,
  "queue": "1",
  "scan-time": "7",
  "tcp-keepalive": "30",
  "temp-hysteresis": "3",
  "watchpool-refresh": "30"
}