Here are some suggestions to get more traffic to your site,
1) On page SEO:- Your website's tittle, Keywords and description should be good enough that Google will crawl your site very well.
2) Off page SEO:- In off page SEO you can go for social bookmarking, Forum posting and link building.
3) Social media Optimization(SMO):- I think SMO is the best way to get lot of traffic in your site and then automatically the page rank of your site will be increased.
You can do this and increase your traffic..But its a manual process which takes more time to bring traffic..So i would suggest you to get the SEO package at http://www.xnynz.com/
.It has two plans such as Standard and Premium. Prices starts from $2.22/month.If you need, get it from this provider & increase your traffic ,PR easily.