Most forums allow you to add a signature to your profile. Use the signatures from the previous step and then start socializing and interacting in the forums. Most blogs also allow you to leave URL links in their comments. Below are some pre-written blog and forum comments for socializing to help get you started. Be original, add your own words to the comment and try help others out. It's not just the people within the post or thread you're helping but everyone who will look in that post in the future and you'll get more views to your signature that way!
List of 'make money' related forums!
Tip! You can type in 'make money' +forum to find many more forums to interactive in. You will also find many high ranking blogs that allow you to post comments - use this as an opportunity to provide interesting and comments whilst adding your affiliate link in the post.