This blog is slowly migrating over to a new site: http://teachinginkoreanuniversity.com at a rate of a few post a day, but there's already a lot of content up there now. I think you'll find the new site far easier to navigate than this one.
Here's just a sample of what's going on over there:
Syllabus for Teaching in a Korean University
How to Begin a Conversation Class
Top 10 Tips for Newbies to Teaching in a Korean University
How to Get High Student Evaluations
Academic Integrity in Korean Universities