MPEG Sreamclip could use much more detailed documentation. I suppose you have tried opening two files, and copy/pasting the video from one into the other. Below are a few of quotes from the documentation, that make is seem like it _ought_ to be possible. But what are the steps? Good luck, Derek >> You can use MPEG Streamclip to: open most movie formats including MPEG files or transport streams; play them at full screen; edit them with Cut, Copy, Paste, and Trim MPEG Streamclip lets you play and edit QuickTime, DV, AVI, MPEG-4, MPEG-1; MPEG-2 or VOB files or transport streams with MPEG, PCM, or AC3 audio (MPEG-2 playback component required MPEG Streamclip supports the DreamBox DM7000/DM5620/DM500 and the DM7020 (www.dream-multimedia-tv.de), and the Topfield TF5000PVR/TF5000PVRt/TF5500PVR (www.topfield.co.kr), two important families of DVB set-top boxes << Derek Roff Language Learning Center Ortega Hall 129, MSC03-2100 University of New Mexico Albuquerque, NM 87131-0001 505/277-7368, fax 505/277-3885 Internet: derek at unm.edu