I suggest 1st post should have sample command line for each algorithm on each miner software instead of miner going external page search and find out.
There are too many different possibilities with different cards and operating systems for that to be reasonable. The best bet is to ask here like you are doing, or research other threads. I'd help if I knew, but I've never tried qubit. Somebody here I'm sure will offer some assistance.
Sounds like your pointed at the wrong pool if the difficult being shown is for a different algo.
EDIT:
According to the example in this thread, it looks like your command line is fine...
https://bitcointalk.org/index.php?topic=475795.0;all