Some great suggestions here. Definately get your own hosting. Its really cheap and worth it.
I've found guest posting drives lots of traffic. Getting on psdtuts is tough. I want to do that. But I have to come up with a cool tutorial. There tutorials are really good.
If you want to build a link leave a relevant comment on one of my posts on AiBURN. Also, I will have Gravatars set up soon on AiBURN. For sites you leave comment on that have Gravatars set up its a great way to stand out in the comments. The site is
http://site.gravatar.com/
I wrote a blog post on it:
http://blogelephant.com/article/bran...with_gravatars
It explains how to use more than one gravatar if you have multiple sites to promote. Its really easy to set up. My post on designing a self portrait
http://aiburn.com/article/draw_your_self_portrait is what I used for my gravatar. I'll be changing my avatar here on the forumns shortly as well.