Over the past few semesters students have completed a number of interesting business process projects. You can find these projects here. You may view and read these to get some ideas about your own choices. It is also possible to take a completed project and extend it further.
Organizations such as BPMI, Fairdene, BPMG, WARIA, WfMC, and others have information about BPM.
Publications such as the Business Process Management Journal , The Rational Edge, Knowledge and Process Management, and others including trade journals and magazines will give you additional insight into business process management.
Google Group for MIS 538 is inactive. Instead of using this (old and discontinued) free forum use the Hoop.la forum.
Mapping software (LucidChart)