Blu-ray DVD shows interlacing when items move across screen

Hi,
I have successfully made the leap from standard to HD DVD's (yay me!). Well, almost successfully. I can create a blu-ray dvd and it plays in a blu-ray player. Everything looks nice and sharp, but when text moves across the screen, I see something that looks like interlacing happening.
Here is how I made my dvds.
I worked in After Effects. The text animations I did there. Most comps are 1920x1080. I have some that are smaller and sized up, but the problem text I am seeing is within the 1920x1080 comps.
I went to Encore and did Adobe Dynamic Link, built my timeline and let Encore 'Build' the dvd image.
The blu-ray settings for transcoding within Encore were 'Automatic' based on the project files, so maybe it's something there?
Thanks in advance.
Stan

Stan,
Along with John T's questions and comments, this ARTICLE might also prove useful.
Good luck,
Hunt

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