I'll document the process as soon as I'm approved and have some keywords approved. If they are like Yahoo! Search Marketing, and I assume they are, keywords will take a long time to get approved because they are approved manually.
A strange thing indeed, but if you don't have significant technology like Google AdWords does, then manually approval is a must.
If you are interested, my email has the option for me to invite others to join MSN adCenter and I'll send them out to the first people that post a comment in this thread. I don't know if it will work, but it is worth a shot!
