One of the best way to get Google Adsense account is to blog at blogger.com which own by Google.
Write any subject you would like to blog, then apply for your Adsense account.
If your English is limited to writing, you can use free articles available online for your blog.
SE spyder loves your blogs, and your sites can get listed for search in a short period of times.
Personally, I earn approximately $200/month from Google Adsense program by blogging at blogger.com. Some people claimed to earn far more than I did.
