What is the best image rsolution to use

I use Photoshop CS2 and DVDSP3. When adding images from photoshop to my project, what resolution should I use? 300dpi, 96, 72? I have used 30Odpi, converting the images to d1/DV NTSC picture aspect, yet they look pixelated and unclear. I used photos, not captured images from video. Do I still need to deinterlace?
Any suggestions

Brian
I am afraid you are completly misinformed regarding the term dpi with regard to video.
Video image resolution is measured in MegaHerts not dpi
Video frame size is measured in pixels not dpi
How is a digital video frame measured in inches, how many frames do you get to the foot?
There is no provision for a dpi measurment in the Standards for each of the worlds formats NTSC PAL or SECAM.
The term dpi (dots per inch) is only used in the printing industry not the video industry. Changing the dpi setting in Photoshop only has relevance when outputting to a physical printing device like a photosetter to make printing plates or to an inkjet printer to make a digital photoprint
Users of Photoshop see there is an entry box for dpi in the image size dialogue box and wrongly assume this controls video resolution.
To prove quickly and simply that dpi has no relevance in video try the following test:
create a new image in Photoshop with the following settings:
use the DV video frame size of 720 x 480
set resolution to 72 dpi
select the default background colour
save the file
in the image size dialogue box change the dpi setting to 7200 and save as a different file
import both the images into FCP and look at the two images
according to your thinking, the 72 dpi image will be a standard DV video image and the 7200 dpi image a very high resolution image at 100 times the first
but what do you find?
not only are both images the same file size in Kilobytes
they have exactly the same video resoluton viewed in FCP.
How can this possibly be?
Simply because video has no clue to what dpi is or means, video ignores dpi completly
Best practice; - when making images for video, use the correct frame size for the format being used and ignore the dpi setting. Life will be much less confusing thereafter
Gary

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