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WordPress MU Category Mapping Plugin
v1.0 · by Brad Williams
Plugin links categories network wide to provide one top-level blog to act as a portal for your global community of blogs
About this plugin
This plugin lets you create category mappings allowing for one top-level blog to act as a portal for your global community of WPMU blogs. Category postings are aggregated based on the mappings and displayed on the top-level blog.
Features:
* Map multiple top-level categories
* Built-in sidebar widget to display all categories
* WordPress MU 2.7 approved!