We describe new services that help members of the Maryland Electronic Learning Community (MELC) develop lesson plans with resources from a multimedia digital library. The MELC library now has 6200 multimedia resources. While teachers can search for interesting materials, we have found that they often prefer to share materials used by their colleagues. The new digital library services facilitate this type of social sharing of resources. In particular, we created open electronic bookshelves on which teachers can keep pointers to resources of interest to them and which can also be viewed by other teachers. Furthermore, we implemented the Peer Preference Views interface that lets teachers see summaries of the resources being used by other teachers.

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