Hi Frank,
Welcome aboard! I'm borderline ADD and I used to think I couldn't visualize, too. I've learned a bunch of things the last couple of years 
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In this thread:
http://www.learningstrategies.com/forum/ubb/Forum8/HTML/002236.html
I talk about some of the ways I learned to see images. There are other ways out there, some described by others in that thread as well.
BTW: I can't see the magic eye pictures either - I'm pretty much blind in one eye ( 20/200 vision) - and photoreading is the only method I use for studying. I graduated from college with a 3.75 GPA (used Photoreading the last year of undergrad) and I'm holding a 3.95 in Grad school.
