check from google your theme sites dear .Then email the sites admin that you like their sites and want a link to put on their sites.
Ok so far the introduction on backlinks. Let’s get down to business. I’m going to show you a technique on how to find high pagerank backlink pages that people actually sell for a lot of money. Here we go, ready? 1. Go download SeoQuake from the firefox plugin page and install it. Don’t forget to restart Firefox after. 2. Go to Google settings and make sure to show the 100 first results. Usually it set to the first 10 results, Activate seoquake. 3. Use this operator in Google: inurl:blog “post a comment†weightloss note: change the word (= keyword) weightloss with your keywords. This should show a list of websites or blogs related to your blog niche. Always comment on niche related blogs. 4. Wait until seoquake has retrieved all the information (this will depend on your connection speed). 5. With seoquake you can sort the results by PR, needless to say to do so 6. There you go, one big list of websites that show different PR levels where you can leave your link behind as a backlink.
Backlinks are backbone to get high pagerank but remember that relevant backlinks will boost your pagerank and search engine traffic and irrelevant backlinks will give you bad impression in google search engine. Check here ultimate list of Relevant high pagerank backlinks