Dude I got one of these too.

"Dear Comcast High-Speed Internet Subscriber:

Comcast has received a notification by a copyright owner, or its authorized agent, reporting an alleged infringement of one or more copyrighted works made on or over Comcast's High-Speed Internet service (the 'Service'). The copyright owner has identified the Internet Protocol ('IP') address associated with your Service account at the time as the source of the infringing works. The works identified by the copyright owner in its notification are listed below. Comcast reminds you that use of the Service (or any part of the Service) in any manner that constitutes an infringement of any copyrighted work is a violation of Comcast's Acceptable Use Policy and may result in the suspension or termination of your Service account.

Copyright work(s) identified in the notification of claimed infringement:

Title: Fast Times at Ridgemont High

Infringement Source: BitTorrent
Initial Infringement Timestamp: 25 Dec 2006 07:37:06 GMT
Recent Infringment Timestamp: 25 Dec 2006 07:37:06 GMT
Infringer Username:
Infringing Filename: Fast Times at Ridgemont High [XviD].avi/Fast Times at Ridgemont High [XviD].avi
Infringing Filesize: 906266624
Infringers IP Address: -
Infringers DNS Name:-
Infringing URL:
Title: Dazed and Confused

Infringement Source: BitTorrent
Initial Infringement Timestamp: 25 Dec 2006 07:50:29 GMT
Recent Infringment Timestamp: 25 Dec 2006 07:50:29 GMT
Infringer Username:
Infringing Filename: Dazed and Confused/Dazed and Confused.avi
Infringing Filesize: 719988736
Infringers IP Address: -
Infringers DNS Name: -
Infringing URL: