Are you not sure where and when to use the nofollow attribute. In my opinion it may be a good idea to forget about the nofollow attribute all together and if your blog platform like wordpress auto-assigns nofollows to all outgoing links then I will show you why you should install a plugin to remove it.

Every SEO needs a set of tools to speed up the day to day analysis and optimisation. This set of Firefox SEO extensions will get you on the right path to effective and speady search engine optimisation