It usually takes time, if it's already 3-4 days mail them regarding this. perhaps it depends on your content, it should give some information to fellow travelers.
It usually takes 2 days to process your blog. You'll eventually receive a mail informing whether you've received any credits. Even if you don't receive any credits, there'll be a mail acknowledging that.
Be patient dear it might take some time... but it will be credited within 3-4 days... wait till then .. if no credits are given after 4 days also.. kindly mail the issue a info @tripoto.com