[any ANONYMOUS forum user]

How to download free porn video from Free HD Pass?
http://www.freehdpass.com/video/Double_Dipping_in_that_Big_Ass-344/

[Stream Recorder]

Not sure about HD videos, but free SD videos from this site use HTTP protocol. You can download or capture them with freeware Fast Video Download (http://www.applian.com/fast-video-download/), Freecorder 4 (http://all-streaming-media.com/record-audio-stream/FreeCorder-Toolbar-Free-sound-recorder-software-Windows.htm), commercial Replay Media Catcher (http://all-streaming-media.com/record-video-stream/Replay-Media-Catcher-HTTP-RTMP-FLV-MP3-ripper-recorder.htm), WM Recorder (http://all-streaming-media.com/record-video-stream/WMRecorder-One-click-online-audio-video-stream-recorder.htm) as well as many other programs.

See also:
FAQ: How to record/download/capture/save Adobe Flash .FLV video HTTP stream from embedded player (http://all-streaming-media.com/faq/recording-media-stream/faq-record-download-capture-save-flash-flv-video-http.htm)