First of you don't have enough on there to really see the pattern yet. For ribbing or seed stitch you need a good inch or more to tell. That first couple rows can look like a mess. Work on it some more then we can get a better idea.
A second thought...on the second row you know to knit the purls and purl the knits? That's how you make seed stitch. Here's a sample of what the stitches look like.
Your photo is a little too large, too. Check the link in my signature to find out appropriate sizes. You can leave this one if you want, but for next time.