Here is my method
 
1. I write a unique article of 400-500 keywords
 
2. I post that article in my website blog section
 
3. I make another 100 spun article (80% unique) through The Best Spinner software.
 
4. I submit all 100 spun articles in 100 article sites.
 
5. 95% all 100 articles get approved from all those article websites within 2-3 days.
 
6. Then i take all article backlinks.
 
7. Then i write another unique article
 
8. Then i post that article in my website blog section.
 
9. Then i create another 100 spun article (80% unique) through The Best Spinner software.
 
10. Then i post all 100 articles in 100 web 2.0 properties.
 
11. In web 2.0 properties i make 2 backlinks, one is to my main website and another to each article.
 
12. Then i post all web 2.0 website link in 100 different meme.yahoo.com account.
 
13. Then i bookmark all 100 web 2.0 properties from 100 different digg account, delicious account, reddit account & clipmark account.
 
14. Just wait another 2 days, i can see huge serp increase for respective keyword.
 
15. I repeat the whole process for 4 times and now my website is in rank 8 for that keyword.
 
Keyword Details:
98,600,000 search results
Global Monthly keyword search [broad]: 6600
Global Monthly keyword search [exact]: 2400
 
When i started this campaign my website is not in top 1000.