im using http://downloadandroidrom.com/file/zedomax/highoncoins/gridseed/HighOnCoinsGridSeedBLADERaspberryPi.zip

http://highoncoins.com/litecoin-rig/how-to-make-gridseed-blade-mining-rig-pre-built-cgminer/

been stable for weeks.  not sure if it has all you need but its a cgminer version