NewzBook is an application I wrote to centrally manage my downloads and media. It has integration points with various indexing sites, SABnzbd, media management, etc. I originally designed the application for the Popcorn Hour, but I am now using XBMC again. I personally use the XBMC Live variant, so I've written up some instructions so other XBMC Live users could also use my NewzBook app. Here's how to install NewzBook on XBMC Live... (article in progress)