anchor text seo

Hello there! I'm a newbie and I'm a little concerned about anchor text spam and penalties. I'd like to know what is the best way to add anchors for internal links and external backlinks, should I use the exact keyword or synonyms or a mix of both? Thanks :)

Hi guys... I want to ask something related to web 2.0 creation for 1st tier. Should I distribute the anchor text like 10% main keyword, and combine with generic words, brand name, and URL? Or is it okay for me to use main keywords in each web 2.0, and then make it look natural by getting other...