First on Nanopool payment are for each 0.2 eth you mine. By what i see, you mining on 1 gpu, whit a rate of around 18Mh/s. At this rate, your first payment (0.2 eth) will be a full 7 day non-stop mining.

You can go to http://whattomine.com, there you can see how mush you mine whit your hashrate.

Do you use a radeon or a nvidia? and model?