I'm attempting to mine with a GTX 1080 card, but I'm only getting invalid shares.
I'm using these settings:
cudaminer.exe --algo=scrypt:2048 -o stratum+tcp://findblocks.com:6076 -u MWsZmQxrismewMZ6NnDNk6UiwCo3L8o2DC -p MYPASSWORD -i 0 -l T10x20 -C 1 -H 2

Any tips?