Is pixel aspect ratio in TIFs not supported

Hallo,
I generated 200 TIFs with a Photoshop script that I wanted to use as slides in an Encore DVD project.
After importing the TIFs into Encore I recognized that the were too small. Though when I opened them in Photoshop they had the correct pixel aspect ratio for a PAL DVD and the correct size (720 x 576 pixels).
I then saved those TIFs as PSDs again and imported those into Encore. Suddenly they were shown in the correct width.
So my question is: Does Encore DVD not support pixel aspect ratio in TIFs?
Regards,
Christian Kirchhoff

Bill.
My Apologies.
What I mean is a Subpicture Highlight image, as used by Scenarist & Maestro and an option in DVD-Lab Pro.
Instead of importing a PSD, with all it's layers, what we do is this:
1 - Create a 720x480 0.9 PAR background image in Photoshop. This will be the background of the menu, and should be a full 24 bit colour image. Usually saved as a TIF file but in some apps can be a bitmap. Sonic insist on a TIF.
2 - Create the Subpicture Highlight image. This is what will become the button artwork. You have 4 colours:
White (Background)
Black (Main
Red (Highlight 1)
Blue (Highlight 2)
Save as a 2-bit indexed TIF file, with a maximum of 4 colours. Black must be 0,0,0 in RGB, same applies for other colors - they need to be pure colours.
3 - Create a button image if there are complex shapes in the SPHL. This will create the actual buttons. Not always needed, as you can also create buttons from the SPHL.
When I need to use these, I then load the external background, and import the SPHL over the top, and assign the buttons. Everything works really well doing this process. Not as elegant as a PSD import, I grant you - but a lot less room for error with "hidden" buttons etc.

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This is what it looks like with the "D1/DV NTSC Widescreen 16:9 (1.2121)" conversion applied.

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Looking into this a little more, what I think is going on is that in previous versions, Shift dragging compensated for the non-square pixels, so that drawn items show up correctly. If you look at the Info Box in 5.5 when shift drawing a circle, the height is greater then the width, when working in a non-square document.
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Is pixel aspect ratio in TIFs not supported

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