setting pool difficulty

[heartofalion]

I am currently mining in a pool that lets me set the difficulty for my workers (16-512) i am mining a scrypt based coin at 3MH/s a second.

My question is how to i determine what to set the difficulty at and what exactly does it do?

Thanks!

[mprep]

As you seem to be a Jr. Member try asking in the Alt currency section. Someone might be able to answer it there.