Encoding artifacts in DVD-SP

I am ready to tear my hair out. I have been working on this project for over a year. I finished it once and sent it the owner of the company in Sweden, who sent it out to an outside firm to author the DVD. They added some titles that he wanted -- did it poorly, and completely screwed up the menu authoring. I told him that if he would spring for FCP, I would author the DVD the way we want it. I have been doing all of our proofing with iDVD for years. I have the menu working perfectly and looking just the way we want it, but the video is showing weird artifacts when the subject is an object turning at high speed. The artifacts are not there in the mini-DV tape, in FCP, in QT or when encoded by iDVD. I have set the encoding preferences to two-pass VBR and "best" but they're still there -- better but still there.
So for the experts, here are my questions.
Is there ANYTHING I can do to make DVD-SP encode like iDVD or in some other way that will not deliver these weird artifacts?
If not, and I have to encode outside DVD-SP, is there any way to make sure that when I re-import the track, my chapter links (about 80 of them) are maintained?
If I have to encode in Compressor, how should I set that up to get the output I'm looking for?
Thanks in advance for any help.

Jeff
Like i said before in the other post. If you let DVDSP do the encoding it uses QT's encoding engine which is a poor encoder - the same with iDVD. What is your field order setting? DV is bottom field first and this sounds like your problem.
What is your bitrate settings? Also its best to use AC3 audio and reserve same bandwidth for video.

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Artifacts In DVD

I have a I DVD (I DVD 6) project that i have burned to 2 different DVD's ( One Printable & 1 Non Printable- Both Verbatim DVD-R) and i keep getting Artifacts in the 5 same spots. I have checked the Original Mini DV tape and the I Movie project and the 5 areas in both are artifact free. I am working on a I Mac G5, have 30 GB of free space when burning and making a disk image and burning the disk with the Disk Utility tool. When i say Artifact i mean the picture will break up into little square boxes.
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i am doing a slow zoom out of the Bride & Groom (Very little motion) and get Artifacts
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The othe cases it is lower light conditions (50 Watt light on the camera) and lots of party lights (Strobes and blue lights) and people dancing and waving
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Message was edited by: Miklos

This is almost certainly a gamma issue. This isn't specific to your HD source.
Very commonly this is an issue with monitor calibration and Final Cut Pro's "special" handling of gamma. Here is a really, really brief summary of what's going on.
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Note this very, very, very important quote:
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Encoding artifacts in DVD-SP

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