Forums should be a part of everyone's website marketing strategy, but you should not Spam forums! This is not good and you will find that you're kicked off or you don't get relevant traffic.

Always, leave informative replies or threads and more often than not you can find that you can leave your web or blog address in your profile or even as a signature. This will provides links back to your website.

Just make sure that any replies are relevant and not spammy.

Helpful advice and postings can result in positive visitor result for your website and blog. Just make sure that you are using forums that are relevant to your website and blog! Remember that most forums are happy for you to leave your link in your profile and as a signature if you are adding something to their forum rather than just spamming.