Planet13 - 2:24 pm on May 13, 2012 (gmt 0)
I have been hit by Penguin. I purchased about 5 links on other websites.
Five is a VERY small number of backlinks. Are you CERTAIN that there were no other links? Were they only from article marketing?
How well did you rank BEFORE you created those links?
How well did you rank AFTER you created those links?
How did you rank once Penguin hit?
How competitive is the keyword you were targeting?