I am so glad you used those tips and obviously have great results from it. It is all about creativity, I guess. If you think of a new and fresh way of generating traffic, that not too many bloggers are using already, you are on a roll. And Flickr was one of those that were not over saturated with bloggers searching for traffic. Thanks for the feedback and can't see the results with new strategies :)
Bonus: WHAFF is a good tool to make traffic, and also a good tool to make money if you share your invite code in microworkers.com alike websites. Get WHAFF rewards on your abdroid device, and use my invite code: CG90779 to get your first $ 0.50. After getting at least $ 10.5 you can withdraw using your Scrill account and upload the balance to microworkers to make further campaigns
Go to local events or Meetup events and connect with bloggers in your industry. An example of an event I run to connect with bloggers and people in the online marketing word is: http://www.meetup.com/Online-Marketing-Sydney/. Make friends first and then try to gain guest posts later. I am not really a fan of websites which are flooded with guest posts one after another; it is the type of thing which Google is just waiting to target.
Beyond organic and direct traffic, you must understand the difference between all of your traffic sources and how traffic is classified. Most web analytics platforms, like Google Analytics, utilize an algorithm and flow chart based on the referring website or parameters set within the URL that determine the source of traffic. Here is a breakdown of all sources: