I am assuming that you checked out the Greek IV link that had Bible study ideas and didn't like any of them?
Another idea is the topic of FRIENDS. This is relevant to everyone, especially in college. The Bible has a lot to say about friendships, good and bad.
Here is an article that will give you a couple of passages for a starting point, as well as some cheap friendship building ideas:
http://www.christianitytoday.com/cl/2001/005/6.56.html