We'll go over Center in a Box.
It is a Cocoon application that uses XML and XSLT to structure a web site for centers on campus.
There is lots of interesting work to do related to it:
Re-factor schemas for extensibility.
Add new schema modules for new content types.
Media handling (images, video, metadata, etc.)
Forms processing.
Lecture slide archive utilizing ontologies to allow a user to create presentations from slide modules.
A course information module for course websites.
If you are having trouble finding a project, we can find one related to CIB that interests you.