AGP installments active as bittorrents can be downloaded via either The Pirate Bay or Mininova. Ignore the seeders/leechers statistics on either site, as they sometimes show no seeders when in fact there are some. New torrents are announced on the I Hate Music Forum.
To download AGP installments in this way, you will need (free) bittorrent client software and the ability to control both uploading and downloading through your system's firewall. This is a simple process if you have a single computer hooked to a cable modem or DSL line. It may require a bit more thought and effort if you have a home network, and you usually have to palaver with network adminstrators if you are on a corporate or university network. More information on using bittorrent technology can be found through the Wikipedia article on that subject, on the Mininova forum, and on the Azureus website (their NAT troubleshooting page is particularly detailed).
The audio files in all AGP installments are FLAC files. FLAC is a lossless compression format that decompresses to produce CD-quality WAV files. For information on the use of FLAC files, see Technical Information.