Since Penguin discourages indulgence in spammy SEO practices, stick to white hat, legitimate SEO work. Avoid indulgence in keyword stuffing, link spamming (link trading) & linking the same anchor text to multiple sources. Include unique, informative content in your website and make the most of social media interactions.
Here’s about it in detail:
http://searchengineland.com/penguin-...-advice-119650