1. See Library items in Red (click on link)

2. http://www.gnutellaforums.com/showth...threadid=49453

3. Some video files will show the full size despite being only partially downlded. It depends on how the particular file has been downlding; Incomplete files are showing full file size (click on link) answers both this & Q.1

If you're suffering problems due to too many incomplete files, you may want to consider this: Tip: Purge the Downloads Queue!