Attached Link: http://www.mir.com/DMG/aspect.html

All, a great reference for render sizes /pixel aspect ratio is at the link attached. Note for people who can only render square, most vid editing software (e.g. premiere etc) can resample the video for you, same with speed. Spike could you clarify if you're going for NTSC SVCD or NTSC DV, (svcd drops 8 pixels, - it affects the 'safe' zone), both are often used for transfer to DVD, although DV is preferred.

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Toolset: Blender, GIMP, Indigo Render, LuxRender, TopMod, Knotplot, Ivy Gen, Plant Studio.