Some SEO Tips

^ articlesbase.com and the likes, but you should veer away from spammy contents. There are lots there. You can also do guest blogging. Keyword-optimize your content in a way that the anchor texts don't look awkwardly-placed.

Place your primary keyword on the title, then on the first paragraph, then on the last. Dependin on your wordcount is the keyword density. Take 2-3% of your total wordcount and that becomes your keyword density.