MagPie allows you to import products from/to CSV file and image for WP e-Commerce.
Use this plug-in to disable magpie rss cache and display feed content instantly.
WP RSS Cache Flusher is a simple plugin for flushing the Magpie RSS cache from WordPress' database.
MagpieRSS is already integrated with WordPress, this plugin will allow you to implement it easily within your theme.
A fast and easy way to add RSS and Atom feeds to your WordPress blog.
Does little else but load the core SimplePie API library for any extension that wants to utilize it.