How to post a link...

Click on Create a Post.

Find and paste your URL to this space

http://www.problogger.net/archives/2008/10/08/5-ways-to-optimize-your-blog-and-capture-more-repeat-visitors/

Highlight the word you want your URL to link to...
Click on the world and chain icon on the tool bar and a pop-up box appears. Paste the URL in the box.