The objective is not to "make your links appear natural"; the objective is that your links are natural.
Think about what a user is going to type.
The next 30 days are going to pass whether you like it or not, so why not think about something you have always wanted to try and give it a shot for the next 30 days?
Mobile is important, and coming faster than most people in this room realize.
SEO is not synonymous to JUNK E-MAIL.
Make your links from blog comments genuine.