I filmed a big project in a NTSC country using my PAL DV camera, now they want me to put in on DVD. Would the 25 fps frame rate be a problem? They also want the video clips on their website ( that part wont be a problem )
You haven't specified whether you shot 25p or 50i.
25p and 50i can both be wrapped in a 60i container easily enough.
25p can also be slowed to 23.98p for NTSC DVD.