I got a bit of a payout yesterday. The thing is I'm not sure how to tell when a block is found, or when a new round starts.
Ignore the guy that says you are too small, we were all too small at one time. If you enjoy it, do it. On slush, if you look at the Statistics page you will see how long the current block has been running and how long the previous blocks took. Just realize that you are probably making pennies a day, if that much.
The graph will show you how much you have made each day. multiply that number byt the exchange rate and you will see how much you make a day in your currency.